Studying ancient mammals helps scientists understand how life evolved and adapted over millions of years. Fossil discoveries provide valuable insights into extinct species, revealing their behaviors, ...

The evolutionary journey from primitive plesiadapiforms to early primates during the Paleocene and Eocene epochs represents a critical chapter in mammalian history. Fossil records from these periods ...

A new look at a fossil mammal with powerful front legs for digging is clearing up questions about the origin of a group of strange and scaly modern-day creatures called pangolins. First excavated in ...

An abrupt episode of global warming and major changes in plant and animal life marked the transition between the Paleocene and Eocene epochs about 55 million years ago. Several groups of mammals, ...

Maybe that black cat that crossed your path wasn’t so bad after all. For the dinosaurs, an extinction-causing asteroid derailed what seemed to be a pretty good run. “It’s all just bad luck,” said New ...

Resolving the timing and pattern of early placental mammal evolution has been confounded by conflict among divergence date estimates from interpretation of the fossil record and frommolecular-clock ...

BIG BEND NATIONAL PARK, Texas — Paleontologists have found fossilized remains of a giant possum-like mammal that lived 60 million years ago. The fossils, found at Big Bend National Park in Texas, ...

For decades, many scientists believed dinosaurs were already dwindling in number and variety long before an asteroid strike ...