New species of plankton appeared fewer than 2,000 years after the world-altering event, according to research led by scientists at The University of Texas at Austin and published in Geology.

One of the defining breakthroughs in mammal evolution was the rise of highly sensitive hearing. Modern mammals rely on a ...

A group of researchers has estimated how long it took Tyrannosaurus rex to reach its full size — and the time period is ...

More than 66 million years ago, Mexico was home to numerous species of dinosaurs, some of them as terrifying as T. rex.

Long before humans became master hunters, our ancestors were already thriving by making the most of what nature left behind. New research suggests that scavenging animal carcasses wasn’t a desperate ...

Sensitive hearing may have evolved in mammal ancestors far earlier than scientists once believed. By modeling how sound moved ...

Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

Coelophysis was a slender carnivorous dinosaur that lived during a time when Earth looked nothing like it does today. Fossil ...