A 289-million-year-old reptile fossil discovered near Richards Spur has provided the earliest known evidence of a breathing ...

A newly discovered prehistoric mammal reveals how small, adaptable species may have survived Earth’s deadliest extinction ...

Scientists have identified a new prehistoric mammal species, Cimolodon desosai, from a rare fossil in Baja California that ...

A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, ...

Armadillos are mammals with no close relatives and a fossil record that dates back millions of years.All are well-protected ...

Australia's platypus, one of the world's most enigmatic animals, had a more exotic origin story, according to an exciting ...

A tiny ancient reptile just revealed the moment breathing as we know it began — and it changed life on Earth forever.

Mammals and dinosaurs coexisted on Earth until a catastrophic event 66 million years ago killed 75% of life on the planet.

For decades, a collection of fossil fragments sat forgotten in museum drawers — a paleontological “cold case” waiting for ...

Ruby Reynolds and her father were on the beach when they discovered Ichthyotitan severnensis - the largest-ever marine ...

Oil seep hydrocarbons and oxygen-free mud protected not only bones but also delicate tissues such as skin and cartilage.

Did mammals hatch from eggs? It might sound ludicrous given what we know about modern mammals. However, this was not the case ...