Nature News

November 20, 2025

Top Headlines

Scientists Grow a Tiny Human “Blood Factory” That Actually Works

Nov. 20, 2025 Researchers have recreated a miniature human bone marrow system that mirrors the real structure found inside our bones. The model includes the full mix of cells and signals needed for blood production and even maintains this process for weeks. It ...

Scientists Finally Discover What’s Fueling Massive Sargassum Blooms

Nov. 19, 2025 Massive Sargassum blooms sweeping across the Caribbean and Atlantic are fueled by a powerful nutrient partnership: phosphorus pulled to the surface by equatorial upwelling and nitrogen supplied by cyanobacteria living directly on the drifting algae. ...

A Crisis Deepens as African Penguins Compete with Fishing Fleets for Food

Nov. 18, 2025 During years of scarce fish, African penguins crowd into the same areas as commercial fishing vessels, heightening competition for dwindling prey. A new metric called “overlap intensity” shows how many penguins are affected and is already ...

Animals Are Developing the Same Chronic Diseases as Humans

Nov. 17, 2025 Across the planet, animals are increasingly suffering from chronic illnesses once seen only in humans. Cats, dogs, cows, and even marine life are facing rising rates of cancer, diabetes, arthritis, and obesity — diseases tied to the same factors ...

A 400-million-year-old Plant Creates Water so Weird It Looks Alien

Nov. 13, 2025 Researchers discovered that living horsetails act like natural distillation towers, producing bizarre oxygen isotope signatures more extreme than anything previously recorded on Earth—sometimes resembling meteorite water. By tracing these isotopic ...

Microbes That Breathe Rust Could Help Save Earth’s Oceans

Nov. 9, 2025 Researchers from the University of Vienna discovered MISO bacteria that use iron minerals to oxidize toxic sulfide, creating energy and producing sulfate. This biological process reshapes how scientists understand global sulfur and iron cycles. By ...

Meet the Desert Survivor That Grows Faster the Hotter It Gets

Nov. 9, 2025 In Death Valley’s relentless heat, Tidestromia oblongifolia doesn’t just survive—it thrives. Michigan State University scientists discovered that the plant can quickly adjust its photosynthetic machinery to endure extreme temperatures that ...

DNA in Seawater Reveals Lost Hammerhead Sharks

Nov. 8, 2025 A revolutionary eDNA test detects endangered hammerhead sharks using genetic traces left in seawater, eliminating the need to capture or even see them. This powerful tool could finally uncover where these elusive species still survive, and help ...

Birds, Not Wind, Brought Life to Iceland’s Youngest Island

Nov. 4, 2025 When Surtsey erupted from the sea in 1963, it became a living experiment in how life begins anew. Decades later, scientists discovered that the plants colonizing this young island weren’t carried by the wind or floating on ocean currents, but ...

Plastic-eating Bacteria Discovered in the Ocean

Nov. 4, 2025 Beneath the ocean’s surface, bacteria have evolved specialized enzymes that can digest PET plastic, the material used in bottles and clothes. Researchers at KAUST discovered that a unique molecular signature distinguishes enzymes capable of ...

A “Scary” New Spider Species Found Beneath California’s Beaches

Nov. 2, 2025 UC Davis scientists uncovered Aptostichus ramirezae, a new trapdoor spider species living under California’s dunes. Genetic analysis revealed it was distinct from its close relative, Aptostichus simus. The species was named after pioneering ...

A Warming Earth Could Accidentally Trigger a Deep Freeze

Nov. 2, 2025 Earth’s climate balance isn’t just governed by the slow weathering of silicate rocks, which capture carbon and stabilize temperature over eons. New research reveals that biological and oceanic feedback loops—especially involving algae, ...

Latest Headlines

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Secret Underwater Language of Hawaiian Monk Seals Has 25 New Calls

Nov. 18, 2025 Scientists have revealed that Hawaiian monk seals produce far more underwater vocalizations than previously believed. Their newly discovered 25-call repertoire includes complex combinations and a ...

55-Million-Year-Old Fossils Reveal Bizarre Crocs That Dropped from Trees

Nov. 15, 2025 Scientists uncovered Australia’s oldest known crocodile eggshells, revealing the secret lives of ancient mekosuchine crocodiles that once dominated inland ecosystems. These crocs filled surprising ...

A Fierce Crocodile Ancestor That Hunted Before Dinosaurs Has Been Found

Nov. 12, 2025 Scientists have identified a new crocodile precursor that looked deceptively dinosaur-like and hunted with speed and precision. Named Tainrakuasuchus bellator, the armored “warrior” lived 240 ...

Scientists Uncover a Hidden Universal Law Limiting Life’s Growth

Nov. 11, 2025 Japanese researchers uncovered a universal rule describing why life’s growth slows despite abundant nutrients. Their “global constraint principle” integrates classic biological laws to show ...

Life Found in a Place Scientists Thought Impossible

Nov. 9, 2025 Deep beneath the ocean, scientists uncovered thriving microbial life in one of Earth’s harshest environments—an area with a pH of 12, where survival seems nearly impossible. Using lipid ...

Warm Ocean Beneath Saturn’s Icy Moon Enceladus May Be Perfect for Life

Nov. 9, 2025 NASA’s Cassini mission has revealed surprising heat flow at Enceladus’ north pole, showing the moon releases energy from both ends. This balance of heat could allow its subsurface ocean to remain ...

A 480-Million-Year-Old Parasite Still Infects Oysters Today

Nov. 5, 2025 Researchers discovered fossil evidence showing that spionid worms, parasites of modern oysters, were already infecting bivalves 480 million years ago. High-resolution scans revealed their distinctive ...

Ancient Fish With Human-Like Hearing Stuns Scientists

Nov. 3, 2025 Long ago, some saltwater fish adapted to freshwater — and in doing so, developed an extraordinary sense of hearing rivaling our own. By examining a 67-million-year-old fossil, researchers from UC ...

Scientists Stunned as Island Spider Loses Half Its Genome

Nov. 2, 2025 On the Canary Islands, scientists discovered that the spider Dysdera tilosensis has halved its genome size in just a few million years—defying traditional evolutionary theories that predict larger, ...

Scientists Discover 14 Strange New Species Hidden in the Deep Sea

Nov. 2, 2025 Scientists are revolutionizing how new marine species are described through the Ocean Species Discoveries initiative. Using advanced lab techniques, researchers recently unveiled 14 new species from ...

A New Microscopy Breakthrough Is Revealing the Oceans’ Invisible Life

Nov. 2, 2025 A pandemic-era breakthrough has allowed scientists to literally expand our view of plankton. By using ultrastructure expansion microscopy, researchers visualized the inner workings of hundreds of ...

Soil Microbes Remember Drought and Help Plants Survive

Nov. 2, 2025 Researchers discovered that soil microbes in Kansas carry drought “memories” that affect how plants grow and survive. Native plants showed stronger responses to these microbial legacies than ...

Dinosaurs Were Thriving When the Asteroid Struck

Oct. 26, 2025 Dinosaurs weren’t dying out before the asteroid hit—they were thriving in vibrant, diverse habitats across North America. Fossil evidence from New Mexico shows that distinct “bioprovinces” of ...

Before Plants or Animals, Fungi Conquered Earth’s Surface

Oct. 28, 2025 Fungi’s evolutionary roots stretch far deeper than once believed — up to 1.4 billion years ago, long before plants or animals appeared. Using advanced molecular dating and gene transfer analysis, ...

Scientists Just Found a Surprising Twist in Earth’s Extinction Story

Oct. 27, 2025 Extinction rates are not spiraling upward as many believe, according to a large-scale study analyzing 500 years of data. Researchers found that species losses peaked about a century ago and have ...

Humans Evolved Faster Than Any Other Ape

Oct. 29, 2025 UCL scientists found that human skulls evolved much faster than those of other apes, reflecting the powerful forces driving our brain growth and facial flattening. By comparing 3D models of ape ...

A Hidden Temperature Law Governs All Life on Earth

Oct. 25, 2025 In a groundbreaking discovery, scientists at Trinity College Dublin have identified a "universal thermal performance curve" that governs how all living organisms respond to temperature. ...

A 151-Million-Year-Old Fly Just Changed What We Know About Evolution

Oct. 15, 2025 Scientists have uncovered a 151-million-year-old midge fossil in Australia that challenges long-held views about insect evolution. Named Telmatomyia talbragarica, the fossil shows freshwater ...

They’re Smaller Than Dust, but Crucial for Earth’s Climate

Oct. 10, 2025 Coccolithophores, tiny planktonic architects of Earth’s climate, capture carbon, produce oxygen, and leave behind geological records that chronicle our planet’s history. European scientists are ...

After 25 Years, Scientists Solve the Bird-Eating Bat Mystery

Nov. 2, 2025 After decades of mystery, scientists have finally proven that Europe’s largest bat, the greater noctule, hunts and eats small songbirds mid-air—more than a kilometer above ground. Using tiny ...

Scientists Shocked as Birds Soaked in “forever Chemicals” Still Thrive

Oct. 8, 2025 Tree swallows in polluted U.S. regions are accumulating high levels of “forever chemicals.” These durable pollutants, used in firefighting foams and consumer products, are found everywhere from ...

Scientists Discover Orchids Sprouting from Decaying Wood

Oct. 8, 2025 Kobe University researchers found that orchids rely on wood-decaying fungi to germinate, feeding on the carbon from rotting logs. Their seedlings only grow near deadwood, forming precise fungal ...

Glowing Shark and Hidden Crab Found Deep Off Australia

Oct. 8, 2025 In a stunning glimpse into the mysteries of the deep, scientists have uncovered two new marine species off Western Australia—a glowing lanternshark and a tiny porcelain crab. The discoveries, made ...

Birds Around the World Share a Mysterious Warning Cry

Oct. 6, 2025 Birds across the globe independently evolved a shared warning call against parasites, blending instinct and learning in a remarkable evolutionary pattern. The finding offers a rare glimpse into how ...

From Gentle Giants to Ghostly Hunters, Sharks Face an Unseen Peril

Oct. 4, 2025 New research reveals that deep-sea mining could dramatically threaten 30 species of sharks, rays, and ghost sharks whose habitats overlap with proposed mining zones. Many of these species, already at ...

Why Women Live Longer Than Men, Explained by Evolution

Oct. 28, 2025 An international team of researchers led by scientists from the Max Planck Institute for Evolutionary Anthropology in Leipzig, working with 15 collaborators around the world, has conducted the most ...

Scientists Uncover a Mysterious Jurassic Lizard With Snake-Like Jaws

Oct. 2, 2025 A strange Jurassic lizard discovered on Scotland’s Isle of Skye is shaking up what we know about snake evolution. Named Breugnathair elgolensis, the “false snake of Elgol” combined hook-like, ...

The Billion-Year Reign of Fungi That Predated Plants and Made Earth Livable

Oct. 1, 2025 Fungi may have shaped Earth’s landscapes long before plants appeared. By combining rare gene transfers with fossil evidence, researchers have traced fungal origins back nearly a billion years ...

The Red Sea That Vanished and the Catastrophic Flood That Brought It Back

Oct. 8, 2025 Researchers at KAUST have confirmed that the Red Sea once vanished entirely, turning into a barren salt desert before being suddenly flooded by waters from the Indian Ocean. The flood carved deep ...

Japan’s Hot Springs Hold Clues to the Origins of Life on Earth

Oct. 2, 2025 Billions of years ago, Earth’s atmosphere was hostile, with barely any oxygen and toxic conditions for life. Researchers from the Earth-Life Science Institute studied Japan’s iron-rich hot ...