Learn how X-ray imaging revealed the first fossilized egg from a mammal ancestor, showing how Lystrosaurus reproduced 250 million years ago. In 2008, a small rock nodule revealed only a few flecks of ...

Mass extinctions have radically influenced the history of life on Earth. Will we eventually succumb to such a catastrophe? Perhaps, but, in her new book Scatter, Adapt, and Remember, io9 editor in ...

New evidence suggests the Lystrosaurus species that roamed the Earth with the dinosaurs went into a state of hibernation to survive what is modern day Antarctica. The Lystrosaurus is a mammal-like ...

At a time when Earth was going through massive environmental changes and most species were wiped out by Siberian volcanic eruptions, some animals actually managed to survive the chaos. During this ...

Curious minds have asked the same question for centuries: Did mammals hatch from eggs? It might sound ludicrous given what we know about modern mammals. However, this was not the case for the ...

Researchers studying a 250-million-year-old fossil have found the first ever proof that mammal ancestors laid eggs, with the discovery also shedding light on a remarkable survival story. The fossil, ...

Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including humans: the therapsids. They were first described more than 150 years ago, ...

When faced with the hardship of frigid weather, some animals have a built-in survival mode: sleep. Hibernation-like behavior in the Antarctic Circle may date back 250 million years, new fossil records ...

Add Yahoo as a preferred source to see more of our stories on Google. The fossil of a Lystrosaurus embryo - Julien Benoit Researchers studying a 250-million-year-old fossil have found the first ever ...