A biotechnology company whose goal is to bring back the wooly mammoth says its recent small step is big news. Colossal ...

Mixodectes belonged to an extinct family known as mixodectids and lived during the Paleocene epoch. This geological epoch ...

The new research is the first to look back at early mammals in full color. Using advanced fossil imaging methods and a ...

New research reignites debate over the size of this extinct giant, also suggesting it looked unlike a great white ...

There is much concern about the accelerated pace of extinctions globally, so when a species is rediscovered, it gives hope to ...

A 62-million-year-old mammal fossil reveals its tree-dwelling lifestyle, plant-based diet, and evolutionary ties to primates ...

During the age of dinosaurs, early mammals probably lacked the stripes and spots of their modern relatives, having uniformly dark, drab coats.

The Galapagos Rail had not been seen on this island since Charles Darwin's visit to the archipelago in 1835, until now.