Top Science News

Feb. 3, 2026 — Plants make chemical weapons to protect themselves, and many of these compounds have become vital to human medicine. Researchers found that one powerful plant chemical is produced using a gene that looks surprisingly bacterial. This suggests plants reuse microbial tools to invent new chemistry. The insight could help scientists discover new drugs and produce them more ...

Feb. 2, 2026 — Chronic stress can damage the gut’s protective lining, triggering inflammation that may worsen depression. New research shows that stress lowers levels of a protein called Reelin, which plays a key role in both gut repair and brain health. Remarkably, a single injection restored Reelin levels and produced antidepressant-like effects in preclinical models. The findings hint at a future treatment ...

Feb. 1, 2026 — When the brain rests, it usually replays recent experiences to strengthen memory. Scientists found that in Alzheimer’s-like mice, this replay still occurs — but the signals are jumbled and poorly coordinated. As a result, memory-supporting brain cells lose their stability, and the animals struggle to remember where they’ve ...

Feb. 4, 2026 — Scientists still don’t know how the brain turns physical activity into thoughts, feelings, and awareness—but a powerful new tool may help crack the mystery. Researchers at MIT are exploring transcranial focused ultrasound, a noninvasive technology that can precisely stimulate deep regions of the brain that were previously off-limits. In a new “roadmap” paper, they explain how this method ...

Feb. 3, 2026 — Researchers have found that manganese, an abundant and inexpensive metal, can be used to efficiently convert carbon dioxide into formate, a potential hydrogen source for fuel cells. The key was a clever redesign that made the catalyst last far longer than similar low-cost materials. Surprisingly, the improved manganese catalyst even beat many expensive precious-metal options. The discovery could ...

Feb. 2, 2026 — NASA’s Perseverance rover has just made history by driving across Mars using routes planned by artificial intelligence instead of human operators. A vision-capable AI analyzed the same images and terrain data normally used by rover planners, identified hazards like rocks and sand ripples, and charted a safe path across the Martian surface. After extensive testing in a virtual replica of the ...

Feb. 2, 2026 — Hidden lava tunnels on the Moon and Mars could one day shelter human explorers, offering natural protection from radiation and space debris. A European research team has unveiled a bold new mission concept that uses three different robots working together to explore these extreme underground environments autonomously. Recently tested in the volcanic caves of Lanzarote, the system maps cave ...

Feb. 5, 2026 — Kemp’s ridley sea turtles, one of the most endangered sea turtle species on Earth, live in some of the noisiest waters on the planet, right alongside major shipping routes. New research reveals that these turtles are especially sensitive to low-frequency sounds—the same rumbling tones produced by ships and industrial activity ...

Feb. 4, 2026 — Melting ice from West Antarctica once delivered huge amounts of iron to the Southern Ocean, but algae growth did not increase as expected. Researchers found the iron was in a form that marine life could not easily use. This means more melting ice does not automatically boost carbon absorption. In the future, Antarctic ice loss could actually reduce the ocean’s ability to slow climate ...

Feb. 2, 2026 — As demand for critical metals grows, scientists have taken a rare, close look at life on the deep Pacific seabed where mining may soon begin. Over five years and 160 days at sea, researchers documented nearly 800 species, many previously unknown. Test mining reduced animal abundance and diversity significantly, though the overall impact was smaller than expected. The study offers vital clues for ...

Feb. 2, 2026 — SAR11 bacteria dominate the world’s oceans by being incredibly efficient, shedding genes to survive in nutrient-poor waters. But that extreme streamlining appears to backfire when conditions change. Under stress, many cells keep copying their DNA without dividing, creating abnormal cells that grow large and die. This vulnerability may explain why SAR11 populations drop during phytoplankton ...

Feb. 5, 2026 — People who switch to a fully unprocessed diet don’t just eat differently—they eat smarter. Research from the University of Bristol shows that when people avoid ultra-processed foods, they naturally pile their plates with fruits and vegetables, eating over 50% more food by weight while still consuming hundreds fewer calories each day. This happens because whole foods trigger a kind of built-in ...

Feb. 5, 2026 — Kidney disease often creeps in silently, and many patients aren’t diagnosed until major damage is already done. New research shows that even “normal” kidney test results can signal danger if they’re unusually low for someone’s age. By mapping kidney function across the population, scientists revealed who’s quietly at higher risk. A new online tool could help doctors catch these ...

Feb. 5, 2026 — Researchers have created the first complete map showing how hundreds of mutations in a key cancer gene affect tumor growth. By testing every possible mutation in a critical hotspot, they found that some changes barely boost cancer signals, while others supercharge them. When matched against real patient data, the map accurately predicted cancer behavior across ...

Feb. 4, 2026 — A massive Swedish study tracking nearly 28,000 people for 25 years found an unexpected link between full-fat dairy and brain health. Among adults without a genetic risk for Alzheimer’s, eating more full-fat cheese was associated with a noticeably lower risk of developing the disease, while higher cream intake was tied to reduced dementia risk overall. The findings challenge decades of low-fat ...

Feb. 1, 2026 — Scientists warn that rapid advances in AI and neurotechnology are outpacing our understanding of consciousness, creating serious ethical risks. New research argues that developing scientific tests for awareness could transform medicine, animal welfare, law, and AI development. But identifying consciousness in machines, brain organoids, or patients ...

Jan. 29, 2026 — Scientists in Sweden and Norway have uncovered a promising way to spot Parkinson’s disease years—possibly decades—before its most damaging symptoms appear. By detecting subtle biological signals in the blood tied to how cells handle stress and repair DNA, the team identified a brief early window when Parkinson’s quietly leaves a measurable ...

Jan. 28, 2026 — AI may learn better when it’s allowed to talk to itself. Researchers showed that internal “mumbling,” combined with short-term memory, helps AI adapt to new tasks, switch goals, and handle complex challenges more easily. This approach boosts learning efficiency while using far less training data. It could pave the way for more flexible, human-like AI ...

Feb. 4, 2026 — Popular weight-loss drugs like Ozempic and Wegovy can dramatically curb appetite, but experts warn many users are flying blind when it comes to nutrition. New research suggests people taking these medications may not be getting enough guidance on protein, vitamins, and overall diet quality, increasing the risk of muscle loss and nutrient ...

Feb. 4, 2026 — Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, while simple earplugs did a better job protecting deep, restorative sleep from traffic noise. When pink noise was combined with outside noise, sleep quality dropped even further. The results suggest that popular “sleep sounds” could be doing more harm than ...

Jan. 31, 2026 — Statins are a cornerstone of heart health, but muscle pain and weakness cause many patients to quit taking them. Scientists have now identified the precise molecular trigger behind these side effects. They found that statins jam open a critical muscle protein, causing a toxic calcium leak. The discovery could lead to safer statins that keep their life-saving benefits without the muscle ...

Jan. 31, 2026 — Lowering salt in everyday foods could quietly save lives. Researchers found that modest sodium reductions in bread, packaged foods, and takeout meals could significantly reduce heart disease and stroke rates in France and the U.K. The key advantage is that people would not need to alter their eating habits at all. Small changes to the food supply could deliver large, long-term health ...

Feb. 4, 2026 — A new optical device allows researchers to generate and switch between two stable, donut-shaped light patterns called skyrmions. These light vortices hold their shape even when disturbed, making them promising for wireless data transmission. Using a specially designed metasurface and controlled laser pulses, scientists can flip between electric and magnetic modes. The advance could help pave the ...

Feb. 2, 2026 — A new light-based breakthrough could help quantum computers finally scale up. Stanford researchers created miniature optical cavities that efficiently collect light from individual atoms, allowing many qubits to be read at once. The team has already demonstrated working arrays with dozens and even hundreds of cavities. The approach could eventually support massive quantum networks with millions ...

Jan. 30, 2026 — Researchers have found a way to make ordinary aluminum tubes float indefinitely, even when submerged for long periods or punched full of holes. By engineering the metal’s surface to repel water, the tubes trap air inside and refuse to sink, even in rough conditions. The technology could eventually be scaled up into floating platforms, ships, or even wave-powered energy ...

Jan. 28, 2026 — Low-Earth orbit is more crowded—and fragile—than it looks. Satellites constantly weave past each other, burning fuel and making dozens of evasive maneuvers every year just to stay safe. A major solar storm could disable navigation and communications, turning that careful dance into chaos. According to new calculations, it may take just days—not decades—for a catastrophic chain reaction to ...

Jan. 18, 2026 — When scientists sent bacteria-infecting viruses to the International Space Station, the microbes did not behave the same way they do on Earth. In microgravity, infections still occurred, but both viruses and bacteria evolved differently over time. Genetic changes emerged that altered how viruses attach to bacteria and how bacteria defend themselves. The findings could help improve phage therapies ...

Jan. 8, 2026 — Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly. Scientists are developing detectors so sensitive they can spot particle interactions that might occur once in years or even decades. These experiments aim to uncover what shapes galaxies and fuels cosmic expansion. Cracking this mystery could transform our understanding ...

Jan. 6, 2026 — A distant pulsar’s radio signal flickers as it passes through space, much like stars twinkle in Earth’s atmosphere. By monitoring this effect for 10 months, researchers watched the pattern slowly evolve as gas, Earth, and the pulsar all moved. Those changes create minuscule delays in the signal, but measuring them helps keep pulsars incredibly precise. The findings also aid SETI scientists in ...

Jan. 29, 2026 — Order doesn’t always form perfectly—and those imperfections can be surprisingly powerful. In materials like liquid crystals, tiny “defects” emerge when symmetry breaks, shaping everything from cosmic structures to everyday technologies. Now, researchers have developed an AI-powered method that can predict how these defects will form and ...

Jan. 29, 2026 — Quantum computers need extreme cold to work, but the very systems that keep them cold also create noise that can destroy fragile quantum information. Scientists in Sweden have now flipped that problem on its head by building a tiny quantum refrigerator that actually uses noise to drive cooling instead of fighting it. By carefully steering heat at unimaginably small scales, the device can act as a ...

Jan. 27, 2026 — Quantum technology has reached a turning point, echoing the early days of modern computing. Researchers say functional quantum systems now exist, but scaling them into truly powerful machines will require major advances in engineering and manufacturing. By comparing different quantum platforms, the study reveals both impressive progress and steep challenges ahead. History suggests the payoff ...

Jan. 25, 2026 — A massive new study comparing more than 100,000 people with today’s most advanced AI systems delivers a surprising result: generative AI can now beat the average human on certain creativity tests. Models like GPT-4 showed strong performance on tasks designed to measure original thinking and idea generation, sometimes outperforming typical human responses. But there’s a clear ceiling. The most ...

Feb. 1, 2026 — Researchers in Bangladesh have identified a bat-borne virus, Pteropine orthoreovirus, in patients who were initially suspected of having Nipah virus but tested negative. All had recently consumed raw date-palm sap, a known pathway for bat-related infections. Genetic analysis confirmed live virus in several samples, pointing to active human infection. The finding raises concerns that dangerous bat ...

Jan. 25, 2026 — After analyzing 40 years of tree records across the Andes and Amazon, researchers found that climate change is reshaping tropical forests in uneven ways. Some regions are steadily losing tree species, especially where conditions are hotter and drier, while others are seeing gains. Rainfall patterns turned out to be just as important as rising ...

Jan. 16, 2026 — Bamboo shoots may be far more than a crunchy side dish. A comprehensive review found they can help control blood sugar, support heart and gut health, and reduce inflammation and oxidative stress. Laboratory and human studies also suggest bamboo may promote beneficial gut bacteria and reduce toxic compounds in cooked foods. However, bamboo must be pre-boiled to avoid natural ...

Jan. 29, 2026 — Scientists studying ancient ocean fossils found that the Arabian Sea was better oxygenated 16 million years ago, even though the planet was warmer than today. Oxygen levels only plunged millions of years later, after the climate cooled, defying expectations. Powerful monsoons and ocean circulation appear to have delayed oxygen loss in this region compared to the Pacific. The discovery suggests ...

Jan. 21, 2026 — A new building material developed by engineers at Worcester Polytechnic Institute could change how the world builds. Made using an enzyme that turns carbon dioxide into solid minerals, the material cures in hours and locks away carbon instead of releasing it. It’s strong, repairable, recyclable, and far cleaner than concrete. If adopted widely, it could slash emissions across the construction ...

Jan. 21, 2026 — Mountain regions around the world are heating up faster than the lands below them, triggering dramatic shifts in snow, rain, and water supply that could affect over a billion people. A major global review finds that rising temperatures are turning snowfall into rain, shrinking glaciers, and making mountain weather more extreme and unpredictable. These changes threaten water sources for huge ...

Jan. 19, 2026 — Plastic-coated fertilizers used on farms are emerging as a major but hidden source of ocean microplastics. A new study found that only a tiny fraction reaches beaches through rivers, while direct drainage from fields to the sea sends far more plastic back onto shore. Once there, waves and tides briefly trap the particles on beaches before many vanish again. This helps explain why so much plastic ...

Jan. 26, 2026 — A 5,500-year-old skeleton from Colombia has revealed the oldest known genome of the bacterium linked to syphilis and related diseases. The ancient strain doesn’t fit neatly into modern categories, hinting at a forgotten form that split off early in the pathogen’s evolution. This pushes the history of treponemal diseases in the Americas back by millennia and shows they were already ...

Dec. 15, 2025 — Around 1,000 years ago, a major climate shift reshaped rainfall across the South Pacific, making western islands like Samoa and Tonga drier while eastern islands such as Tahiti became increasingly wet. New evidence from plant waxes preserved in island sediments shows this change coincided with the final major wave of Polynesian expansion eastward. ...

Dec. 12, 2025 — Fossils from Qatar have revealed a small, newly identified sea cow species that lived in the Arabian Gulf more than 20 million years ago. The site contains the densest known collection of fossil sea cow bones, showing that these animals once thrived in rich seagrass meadows. Their ecological role mirrors that of modern dugongs, which still reshape the Gulf’s seafloor as they graze. The findings ...

Nov. 16, 2025 — Researchers found that ancient hominids—including early humans—were exposed to lead throughout childhood, leaving chemical traces in fossil teeth. Experiments suggest this exposure may have driven genetic changes that strengthened language-related brain functions in modern ...

Jan. 9, 2026 — A new study finds that TikTok videos about gout frequently spread confusing or inaccurate advice. Most clips focus on diet changes and supplements, while barely mentioning the long-term treatments doctors say are essential for controlling the disease. Many videos also frame gout as a lifestyle problem, rather than a condition driven largely by genetics and underlying health factors. Researchers ...

Jan. 4, 2026 — Researchers compared a traditional Chinese medicine, Yueju Pill, with a standard antidepressant and found both reduced depression symptoms. However, only Yueju Pill increased a brain-supporting protein associated with mood improvement. Brain imaging showed that unique network patterns—especially in visual regions—could predict who benefited most from Yueju Pill. This opens the door to more ...

Jan. 4, 2026 — UK experts are warning that access to new weight-loss drugs could depend more on wealth than medical need. Strict NHS criteria mean only a limited number of patients will receive Mounjaro, while many others must pay privately. Researchers say this risks worsening existing health inequalities, especially for groups whose conditions are often missed or under-diagnosed. They are calling for fairer, ...

Nov. 29, 2025 — Millions face Medicare decisions each year, but many don’t take advantage of tools that can save them money and stress. Insurance marketing often overshadows unbiased options like SHIP, leaving people unaware of better choices. Comparing real costs—not just premiums—can prevent unpleasant surprises, especially when provider networks or drug rules change. New assistance programs for ...

Sep. 16, 2025 — Preschoolers with ADHD are often given medication right after diagnosis, against medical guidelines that recommend starting with behavioral therapy. Limited access to therapy and physician pressures drive early prescribing, despite risks and reduced effectiveness in young ...

Aug. 26, 2025 — Australian teachers are in crisis, with 9 in 10 experiencing severe stress and nearly 70% saying their workload is unmanageable. A major UNSW Sydney study found teachers suffer depression, anxiety, and stress at rates three to four times higher than the national average, largely driven by excessive administrative tasks. These mental health struggles are pushing many to consider leaving the ...

June 3, 2025 — The effects of artificial intelligence on adolescents are nuanced and complex, according to a new report that calls on developers to prioritize features that protect young people from exploitation, manipulation and the erosion of real-world ...

Jan. 26, 2026 — Home fireplaces and wood stoves are quietly driving a large share of winter air pollution, even though only a small number of households rely on wood heat. Researchers found that wood smoke accounts for over one-fifth of Americans’ winter exposure to dangerous fine particles linked to heart disease and early death. Much of this pollution drifts into cities, where it disproportionately harms ...

Jan. 19, 2026 — As global energy demand surges—driven by AI-hungry data centers, advanced manufacturing, and electrified transportation—researchers at the National Renewable Energy Laboratory have unveiled a breakthrough that could help squeeze far more power from existing electricity supplies. Their new silicon-carbide-based power module, called ULIS, packs dramatically more power into a smaller, lighter, ...

Dec. 28, 2025 — Researchers found that U.S. metal mines already contain large amounts of critical minerals that are mostly going unused. Recovering even a small fraction of these byproducts could sharply reduce dependence on imports for materials essential to clean energy and advanced technology. In many cases, the value of these recovered minerals could exceed the value of the mines’ primary products. The ...

Nov. 24, 2025 — Europe is investing in a coordinated effort to develop high-power optical vortex technologies and train new specialists in the field. The HiPOVor network unites academia and industry to advance applications ranging from material processing to environmentally friendly photonic ...