A 250-million-year-old fossil from Africa reveals that early mammal ancestors laid eggs, offering insight into their survival ...

The species in question was a therapsid, a group of animals that was the forefather to modern-day mammals, including humans.

If left intact, the exemption for oil and gas companies in the Gulf of Mexico could forever harm vulnerable species and their habitats.

In A Nutshell A tiny, 250-million-year-old fossil from South Africa offers the first compelling evidence that an ancient ...

Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including ...

Scientists discover the first fossil egg of a mammal ancestor, offering new clues to how Lystrosaurus survived extreme ...

Hundreds of Intact Dinosaur Eggs Discovered in Exceptional 72 Million Year Old Nesting Ground ...

A recently analyzed Lystrosaurus fossil proves that mammal ancestors laid eggs, according to a recent paper published in ...

A 250-million-year-old fossil of Lystrosaurus has uncovered new evidence that mammal ancestors, like this species, laid eggs.

“My preparator and exceptional fossil finder, John Nyaphuli, identified a small nodule that at first revealed only tiny ...

The 250-million-year-old fossilized egg contained a Lystrosaurus embryo, providing the first direct evidence that early ...

A remarkable new discovery is shedding light on one of the greatest survival stories in Earth's history, and answering a ...