Nature News

December 4, 2025

Top Headlines

Record Sargassum Piles Trap Sea Turtle Hatchlings on Florida Beaches

Nov. 24, 2025 Sargassum seaweed is creating major new obstacles for sea turtle hatchlings, drastically slowing their crawl to the ocean and increasing their risk from predators and heat. Despite the physical challenge, their energy stores stay stable, suggesting ...

CRISPR Wheat That Makes Its Own Fertilizer

Nov. 24, 2025 UC Davis researchers engineered wheat that encourages soil bacteria to convert atmospheric nitrogen into plant-usable fertilizer. By boosting a natural compound in the plant, the wheat triggers bacteria to form biofilms that enable nitrogen ...

The Five Great Forests That Keep North America’s Birds Alive

Nov. 22, 2025 Migratory birds that fill North American forests with spring songs depend on Central America’s Five Great Forests far more than most people realize. New research shows these tropical strongholds shelter enormous shares of species like Wood ...

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 ...

Latest Headlines

updated 12:52pm EST

Scientists Discover Why Anacondas Stayed Giants for 12 Million Years

Dec. 3, 2025 Ancient anaconda fossils show that the snakes became giants soon after emerging in Miocene South America. Their size has stayed stable for over 12 million years, even though other huge reptiles went ...

A Tiny Ocean Worm Just Revealed a Big Secret About How Eyes Evolve

Dec. 2, 2025 Scientists found that adult bristleworm eyes grow continuously thanks to a rim of neural stem cells similar to those in vertebrate eyes. This growth is surprisingly regulated by environmental light ...

242-Million-Year-Old Mini Predator Changes Lizard Evolution

Nov. 30, 2025 A tiny 242-million-year-old fossil from Devon is shaking up scientists’ assumptions about the earliest members of the lizard lineage. Instead of the expected skull hinges and palate teeth typical ...

Dinosaur Mummy Found With Hooves and a Hidden Crest

Nov. 30, 2025 Scientists have reconstructed the most complete and lifelike profile of Edmontosaurus annectens thanks to an extraordinary preservation process called clay templating, in which a thin clay film ...

Scientists Discover Hidden Wolf DNA in Most Dogs

Nov. 29, 2025 Researchers studying thousands of canine genomes discovered that wolf DNA is still present in most dog breeds. This ancient genetic influence shows up in traits like body size, behavior, and ...

A Strange Ancient Foot Reveals a Hidden Human Cousin

Nov. 28, 2025 Researchers have finally assigned a strange 3.4-million-year-old foot to Australopithecus deyiremeda, confirming that Lucy’s species wasn’t alone in ancient Ethiopia. This hominin had an ...

Tiny Bee With Devil Horns Discovered in Western Australia

Nov. 25, 2025 A horned native bee dubbed Megachile lucifer has been discovered in Western Australia’s Goldfields. Identified while surveying a rare wildflower, the species stood out with its unusual ...

This Tiny Plant Survived the Vacuum of Space and Still Grows

Nov. 24, 2025 Moss spores survived an extended stay on the outside of the ISS and remained capable of germinating once back on Earth. Their resilience to vacuum, extreme temperatures, and UV radiation surprised ...

How Parakeets Make New Friends in a Surprisingly Human Way

Nov. 23, 2025 Monk parakeets ease into new friendships, slowly approaching strangers to avoid aggressive encounters. Researchers watched how birds shared space, groomed each other, and escalated to deeper social ...

AI Detects a Secret Lion Roar No One Knew Existed

Nov. 22, 2025 Scientists have uncovered a surprising second type of lion roar, using AI to decode vocal signatures with remarkable precision. This breakthrough sheds new light on how lions communicate and offers a ...

Scientists Reveal Kissing Began Millions of Years Before Humans

Nov. 21, 2025 Scientists have traced kissing back to early primates, suggesting it began long before humans evolved. Their analysis points to great apes and even Neanderthals sharing forms of kissing millions of ...

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 ...

Secret Underwater Language of Hawaiian Monk Seals Has 25 New Calls

Nov. 17, 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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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. ...

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 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 ...

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, ...

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 ...