Paleontology discovery

Discoveries 250-million-year-old fossil proves that mammal ancestors laid eggs

A fossil embryo inside an egg helps explain how Lystrosaurus survived Earth’s deadliest extinction event.

Hannah Shavit-Weiner

Discoveries Student discovers new carnivore dinosaur 3x older than T. rex Rebecca Shavit

Discoveries 289-million-year-old mummified reptile reveals how bodies evolved to breath and move Rebecca Shavit