A mass extinction created the ecological conditions that set the stage for a dramatic shift in marine life.

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

During a geological blink of an eye, glaciers formed over the supercontinent Gondwana, drying out many of the vast, shallow ...

Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of ...

This video explores a frog with an unusual ability that allows it to nearly disappear from view. By altering how blood moves ...

When most people think of massive snakes, the first one that comes to mind is the anaconda. Anacondas might be the largest ...

Jawbones and other remains, similar to specimens found in Europe, were dated to 773,000 years and help close a gap in ...

Researchers are trying to understand why some wild species do better than others over time, as the environment changes.

"E Is for Extinction" remains one of the greatest X-Men stories of all time, a shockingly brilliant story that changed the ...

In the damp understory of forests in Taiwan, mainland Japan, and Okinawa, a plant called Balanophora can fool you at first ...