The little skeleton was curled so tightly it looked as if it had never really entered the world. For years, that mattered ...

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

Illustration of a baby Lystrosaurus that died in its egg, based on a fossil that provides tangible evidence to support the ...

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

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

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

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

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

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

Researchers studying a 250-million-year-old fossil have found the first ever proof that mammal ancestors laid eggs, with the ...

Scientists studying a 250-million-year-old fossil say they can now say with confidence that our mammal ancestors laid eggs. The fossil, found in South Africa, belonged to an embryo of the Lystrosaurus ...

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