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

Discovery of a Lystrosaurus embryo inside an egg proves early mammal relatives laid eggs and survived mass extinction through ...

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

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

A remarkable discovery answers one of the greatest survival stories in Earth’s history—and a decades-old scientific mystery.

The term “mass extinction” conjures up apocalyptic images of the world coming to an end, but a massive event like this can be a much slower process than many people realize. By definition, a mass ...

Add Yahoo as a preferred source to see more of our stories on Google. A skeleton of a Dodo. - Kirsty Wigglesworth/AP Humans have wiped out hundreds of species — with many more on the brink or ...

(CNN) — Humans have wiped out more than 100 species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass ...

The climate change crisis is pushing emperor penguins towards the life-threatening danger of extinction. According to the ...

A handful of plankton fossils buried in a small chunk of rock show that the oceans were teeming with life before the Late ...

Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...