The fossilized remains of a Lystrosaurus now answers the question scientists have asked for years: Did mammals once lay eggs?

Why did our ancestors ditch the shell and start growing babies inside their bodies instead? In this episode of Big Ideas, from the team behind Deep Look, Niba zooms out to explore one of evolution’s ...

Beyond birds, a surprising array of animals reproduce by laying eggs. From the unique monotremes like the platypus and echidna to reptiles, amphibians, and intelligent octopuses, this ancient strategy ...

The Australian Reptile Park is pleased to unveil two baby echidnas to the public. The short-beaked echidna puggles were born ...

At the start of this video, a large monitor lizard crawls through thick brush, appearing to forage. Its head is moving back ...

We often think of the egg-laying reproductive strategy in nature as being employed by birds. Indeed, while many people ...