Researchers identified an early mammal ancestor whose eggs may have helped it survive the Great Dying 250 million years ago.

The small, plant-eating Lystrosaurus thrived post-extinction, while its predators suffocated to death. Its eggs played a ...

On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs.

The Smithsonian National Museum of Natural History has a new exhibit tracing the animal's importance in American history.

In the aftermath of Earth’s most catastrophic extinction event, one unlikely survivor rose to dominate a shattered world: ...

Conservationists now list the penguins and seals as “Endangered.” Climate change in Antarctica has led to plunging ...

In school, we learned about the asteroid that wiped out an estimated 76% of all creatures. Scientists now call this the fifth ...

Genome analysis reveals that Neanderthals lived on the brink of extinction for 350,000 years in small populations.

Mexico's rarest marine animal, the vaquita, continues to slide towards extinction, unless last-ditch conservation attempts ...

A new study reveals that a major cooling event 34 million years ago caused staggered marine extinctions, not a single global ...

A new report led by Conservation International and IUCN, published today in Oryx, warns that over 40% of more than 8,500 soil ...

Detailed imaging of a 250-million-year-old fossil has revealed the first proof that the ancestors of mammals laid eggs. The ...