A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, ...

Did mammals hatch from eggs? It might sound ludicrous given what we know about modern mammals. However, this was not the case ...

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

Mammals and dinosaurs coexisted on Earth until a catastrophic event 66 million years ago killed 75% of life on the planet.

In the aftermath of Earth’s most catastrophic extinction event, one unlikely survivor rose to dominate a shattered world: Lystrosaurus. Now, a stunning fossil discovery—an ancient egg containing a ...

A new study led by researchers from the Museum für Naturkunde Berlin reveals how the loss of large mammals can ripple through ...

The Sun’aq Tribe of Kodiak’s Natural Resources Department has been awarded a $194,000 Tribal Wildlife Grant from the U.S. Fish and Wildlife Service.

Illustration of a baby Lystrosaurus that died in its egg, based on a fossil that provides tangible evidence to support the belief that mammal ancestors laid eggs. (Sophie Vrard/Benoit et al., PLOS One ...

A remarkably well-preserved fossil discovered in China suggests that millions of years ago, some mammals actively hunted dinosaurs that were several times their size. The 125-million-year-old bones, ...

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