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

For the first time, paleontologists have discovered a 250-million-year-old fossil egg containing an embryo ...

This semi-aquatic mammal may look improbable, but its biology reveals how evolution shapes even the strangest mammal bodies.

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 ...

Learn how X-ray imaging revealed the first fossilized egg from a mammal ancestor, showing how Lystrosaurus reproduced 250 ...