Some pterosaurs may have boasted bold iridescence

A new analysis of a 120-million-year-old fossil suggests at least one pterosaur species shimmered in iridescent greens and magentas. Image credit: Zhao Chuang

Ancient oceans began losing oxygen millions of years before the end-Triassic mass extinction

Chemical traces preserved in ancient rocks indicate that marine environments were deteriorating long before the catastrophe that wiped out vast numbers of species at the end of the Triassic period, around 201 million years ago. Image credit: Peter Sawyer

Epigenetic changes can be inherited without changing DNA in animals

New evidence suggests animals can pass down inherited traits through epigenetic changes rather than DNA mutations. Image credit: Karmannye Chaudhary

Ancient cave lion genomes reveal a distinct lineage

A new study on multiple genomes from the extinct cave lion has discovered that it represented a highly distinct evolutionary lineage, which separated from modern lions more than a million years ago. Image credit: Love Dalén.

How Jupiter may have redirected life's ingredients toward Earth 4.5 billion years ago

NASA-supported scientists have provided new information about how the early Earth may have acquired some elements necessary for the planet to become habitable. Image credit: NASA

Extraordinary fossils solve a 500-million-year mystery: Bryozoans were there at the dawn of animal life

Fossil evidence from approximately 520-million-year-old rocks in China finally places bryozoans where they belong, at the heart of the Cambrian explosion. Image credit: Baopeng Song

Scientists find signs of active life in Ötzi the Iceman

Even after 5,300 years in the ice, Ötzi the Iceman may still host active microbes, with some cold-loving species apparently surviving—and possibly reproducing—on his mummified body. image credit: South Tyrol Museum of Archaeology/Eurac Research/Marion Lafogler

"Imagine a scorpion that was the same size as a house cat." 10 gigantic, deadly, prehistoric insects that are the most terrifying to have ever lived | Discover Wildlife

Prehistoric bugs were monstrous and some were efficient predators - discover the most vicious and find out what they preyed upon. Image credit: Prehistorica CM, CC BY 4.0, via Wikimedia Commons

The oldest hominin footprints ever found are at risk of destruction, researchers warn

The oldest-known hominin footprints are in danger of being destroyed by state-backed tourism and other economic activity, a new investigation claims.

Fossils reveal how ancient cattle roamed Earth 4 million years ago

Ancestors of today's cattle were roaming the grasslands of Europe over four million years ago, reveals new research. Image credit: Mauricio Antón via SWNS

New Velociraptor cousin was a '4-winged' dragon that hunted prey from the trees of ancient China, fossil find hints

A new microraptor from Cretaceous China likely preyed on ancient birds. Image credit: Illustration by Lewis LaRosa, colorized by Jão Canola.

5,300 years after his death, Ötzi the murdered Iceman’s microbiome is still active

More than 5,300 years after Ötzi’s death, researchers found genetic material from his gut microbiome and identified yeasts that continue to exist despite the mummy being kept below freezing.

Scientists unearth a ‘petrified aquarium’ of 62-million-year-old fish fossils

An unexpected haul of nearly 500 fossilized fish in Egypt provides an unprecedented picture of how sea life rebounded from the asteroid that killed the dinosaurs. Image credit: Ian Baylatry

World's largest scorpion revealed by 415-million-year-old fossils

Fossil fragments found in the U.K. have been identified as remains of the largest scorpions ever. Measuring more than a meter in length, Praearcturus gigas was among the first large predators to ever stalk the land. Image credit: Franz Anthony

Tiny-armed alvarezsauroid dinosaurs might have been insect eaters, fossil scans suggest

CT scans suggest the tiny but powerful arms of alvarezsauroid dinosaurs evolved for digging, supporting the idea that they fed on insects. Image credit: Zhixin Han.

New Species of Fossil Axolotl Unearthed in Mexico | Sci.News

Paleontologists have identified a new species of the axolotl genus Ambystoma from several fossilized specimens found deep in the rocky outcrops of the Mexican state of Hidalgo. Image credit: Diana Guzmán-Madrid

For 100 years, scientists thought these red markings were natural—now researchers say they’re ancient art

A new analysis of red lines inside a cave in Wales suggests they were made deliberately by ancient humans some 17,000 years ago. Image credit: George H. Nash et al.