Namely, a group of primitive amphibians called the temnospondyls. They may have survived the Great Dying by feeding on some ...

The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...

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

New research suggests that Earth’s orbital variations—the slow changes in its tilt, axial precession, and shape of its ...

She believes that the Permian extinction was caused by acid rain ... the reign of the dinosaurs 65 million years ago between the Cretaceous and Tertiary periods. Most researchers consider that ...

A discovery about the dark fur of early mammals confirms long-held theories about their evolutionary and ecological behavior.

Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery.

A joint research team from China and abroad has for the first time found that mammaliaforms from the Jurassic and Cretaceous ...

An international team of scientists has synchronized key climate records from the Atlantic and Pacific Oceans to unravel the sequence of events during the last million years before the extinction of ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...