Evolutionary Biology News

February 6, 2026

Top Headlines

One of Earth’s Most Abundant Lifeforms Has a Fatal Flaw

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 ...

This AI App Can Tell Which Dinosaur Made a Footprint

Feb. 1, 2026 Dinosaur footprints have always been mysterious, but a new AI app is cracking their secrets. DinoTracker analyzes photos of fossil tracks and predicts which dinosaur made them, with accuracy rivaling human experts. Along the way, it uncovered ...

Forty Years of Forest Data Reveal a Changing Amazon

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 ...

A Hidden World Inside DNA Is Finally Revealed

Jan. 8, 2026 DNA doesn’t just sit still inside our cells — it folds, loops, and rearranges in ways that shape how genes behave. Researchers have now mapped this hidden architecture in unprecedented detail, showing how genome structure changes from cell to ...

We Are Living in a Golden Age of Species Discovery

Dec. 24, 2025 The search for life on Earth is speeding up, not slowing down. Scientists are now identifying more than 16,000 new species each year, revealing far more biodiversity than expected across animals, plants, fungi, and beyond. Many species remain ...

New Ghost Marsupial Related to the Kangaroo Found in Australia

Dec. 13, 2025 Researchers analyzing ancient fossils from caves across Western Australia have uncovered a completely new species of bettong along with two new woylie subspecies—remarkable finds made bittersweet by signs that some may already be ...

New Fossils in Qatar Reveal a Tiny Sea Cow Hidden for 21 Million Years

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 ...

Scientists Capture Stunning Real-time Images of DNA Damage and Repair

Nov. 23, 2025 Scientists have created a live-cell DNA sensor that reveals how damage appears and disappears inside living cells, capturing the entire repair sequence as it unfolds. Instead of freezing cells at different points, researchers can now watch damage ...

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 ...

Ancient Viruses Hidden Inside Bacteria Could Help Defeat Modern Infections

Nov. 3, 2025 Penn State scientists uncovered an ancient bacterial defense where dormant viral DNA helps bacteria fight new viral threats. The enzyme PinQ flips bacterial genes to create protective proteins that block infection. Understanding this mechanism could ...

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 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 marine species for the first time. The effort, tied ...

Latest Headlines

updated 1:14pm EST

The Genetic Turning Point That Made Backbones Possible

Feb. 4, 2026 Scientists have uncovered a surprising genetic shift that may explain how animals with backbones—from fish and frogs to humans—became so complex. By comparing sea squirts, lampreys, and frogs, ...

Baby Dinosaurs Were the Backbone of the Jurassic Food Chain

Feb. 1, 2026 Despite growing into the largest animals ever to walk on land, sauropods began life small, exposed, and alone. Fossil evidence suggests their babies were frequently eaten by multiple predators, ...

How Gene Loss and Monogamy Built Termite Mega Societies

Jan. 31, 2026 Termites did not evolve complex societies by adding new genetic features. Instead, scientists found that they became more social by shedding genes tied to competition and independence. A shift to ...

Scientists Finally Explain Earth’s Strangest Fossils

Jan. 27, 2026 The Ediacara Biota are some of the strangest fossils ever found—soft-bodied organisms preserved in remarkable detail where preservation shouldn’t be possible. Scientists now think their survival ...

A Hidden Genetic War Is Unfolding Inside Your DNA

Jan. 26, 2026 Our genome isn’t as peaceful as it looks—some DNA elements are constantly trying to disrupt it. Scientists studying fruit flies discovered that key proteins protecting chromosome ends must evolve ...

Scientists Ranked Monogamy Across Mammals and Humans Stand out

Jan. 22, 2026 A new study suggests humans belong in an elite “league of monogamy,” ranking closer to beavers and meerkats than to chimpanzees. By comparing full and half siblings across species and human ...

When the Oceans Died and Life Changed Forever

Jan. 11, 2026 A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems. In the aftermath, jawed vertebrates gained an unexpected edge by ...

The 4x Rule: Why Some People’s DNA Is More Unstable Than Others

Jan. 9, 2026 A large genetic study shows that many people carry DNA sequences that slowly expand as they get older. Common genetic variants can dramatically alter how fast this expansion happens, sometimes ...

Ancient Skeletons Reveal Viruses Embedded in Human DNA

Jan. 7, 2026 Researchers have reconstructed ancient herpesvirus genomes from Iron Age and medieval Europeans, revealing that HHV-6 has been infecting humans for at least 2,500 years. Some people inherited the ...

11,000-Year-Old Dog Skulls Reveal a Hidden Origin Story

Jan. 6, 2026 Dogs began diversifying thousands of years earlier than previously believed, with clear differences in size and shape appearing over 11,000 years ago. A massive global analysis of ancient skulls ...

Why Evolution Rewarded Ants That Sacrificed Protection

Dec. 22, 2025 Some ants thrive by choosing numbers over strength. Instead of heavily protecting each worker, they invest fewer resources in individual armor and produce far more ants. Larger colonies then ...

Scientists Replayed Evolution and Found a Surprise

Dec. 30, 2025 Environmental change doesn’t affect evolution in a single, predictable way. In large-scale computer simulations, scientists discovered that some fluctuating conditions help populations evolve ...

From Biting Flies to Feathered Dinosaurs, Scientists Reveal 70 New Species

Dec. 19, 2025 Researchers announced over 70 new species in a single year, including bizarre insects, ancient dinosaurs, rare mammals, and deep-river fish. Many were found not in the wild, but in museum ...

The Poison Frog That Fooled Scientists for Decades

Jan. 6, 2026 Researchers discovered that a poison frog species described decades ago was based on a mix-up involving the wrong museum specimen. The frog tied to the official species name turned out to be brown, ...

This “mushroom” Is Not a Fungus, It’s a Bizarre Plant That Breaks All the Rules

Dec. 20, 2025 Balanophora is a plant that abandoned photosynthesis long ago and now lives entirely as a parasite on tree roots, hidden in dark forest undergrowth. Scientists surveying rare populations across East ...

Researchers Find How Plants Survive Without Sunlight or Sex

Dec. 14, 2025 The study reveals how Balanophora plants function despite abandoning photosynthesis and, in some species, sexual reproduction. Their plastid genomes shrank dramatically in a shared ancestor, yet the ...

This Rare Bone Finally Settles the Nanotyrannus Mystery

Dec. 9, 2025 Scientists have confirmed that Nanotyrannus was a mature species, not a young T. rex. A microscopic look at its hyoid bone provided the key evidence, matching growth signals seen in known T. rex ...

Decoding the Perfect Steak: The Hidden DNA Behind Wagyu’s Legendary Marbling

Jan. 12, 2026 A groundbreaking cattle genome has given researchers their clearest look yet at what makes Wagyu beef so special. By uncovering hundreds of new genes and hidden genetic variations, scientists can now ...

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 ...

Why Consciousness Exists at All

Dec. 15, 2025 Consciousness evolved in stages, starting with basic survival responses like pain and alarm, then expanding into focused awareness and self-reflection. These layers help organisms avoid danger, learn ...

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 ...

Fossils Reveal a Massive Shark That Ruled Australia in Dinosaur Times

Nov. 22, 2025 Around 115 million years ago, northern Australia’s seas hosted a colossal shark that rewrites what we thought we knew about early ocean predators. New fossil discoveries show that modern-type ...

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 ...

Scientists Say Evolution Works Differently Than We Thought

Dec. 24, 2025 A major evolutionary theory says most genetic changes don’t really matter, but new evidence suggests that’s not true. Researchers found that helpful mutations happen surprisingly often. The twist ...

Scientists Recover 40,000-Year-Old Mammoth RNA Still Packed With Clues

Nov. 15, 2025 Researchers have sequenced the oldest RNA ever recovered, taken from a woolly mammoth frozen for nearly 40,000 years. The RNA reveals which genes were active in its tissues, offering a rare glimpse ...

Earth’s Worst Extinction Was Followed by a Shockingly Fast Ocean Comeback

Dec. 30, 2025 A spectacular fossil trove on the Arctic island of Spitsbergen shows that marine life made a stunning comeback after Earth’s greatest extinction. Tens of thousands of fossils reveal fully aquatic ...

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 ...

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 ...

This Strange Ancient Snake Was Hiding in a Museum for Decades

Dec. 31, 2025 A strange little snake fossil found on England’s south coast has finally revealed its secrets—more than 40 years after it was discovered. The newly named Paradoxophidion richardoweni lived around ...

Scientists Found a Hidden Clock Inside Dinosaur Eggshells

Dec. 21, 2025 Researchers have found that fossilized dinosaur eggshells contain a natural clock that can reveal when dinosaurs lived. The technique delivers surprisingly precise ages and could revolutionize how ...