The fossils dated back to the early- to mid-Pliocene epoch, which extends from 2.5 million to 5 million years ago, but most of the animals in the study went extinct approximately 50,000 years ago, ...

WASHINGTON (Reuters) - To figure out what is likely to happen to Earth's climate this century, scientists are looking 3 million years into the past. They have concluded that the most revealing slice ...

Researchers have created a map of oceanic “dead zones” that existed during the Pliocene epoch, when the Earth’s climate was two to three degrees warmer than it is now. The work could provide a glimpse ...

To figure out what is likely to happen to Earth's climate this century, scientists are looking 3 million years into the past. They have concluded that the most revealing slice of time is the Pliocene ...

GRAY, Tenn. (WJHL) — Millions of years ago, ancient creatures known only by the remnants left behind roamed what we now know as the Tri-Cities, and researchers continue to uncover fossilized remains ...

East Tennessee State University says researchers have discovered evidence of the extinct "bone-crushing" dog at a fossil site that also included herbivores, a sabretooth cat and alligators. The ...

Across the icy edges of Earth’s northern and southern reaches, life has adapted to thrive in some of the harshest conditions. Plants with frost-resistant tissues, beetles with antifreeze-like blood, ...

A team of researchers scrutinizing the teeth of great white sharks and those of the extinct giant shark Otodus megalodon believe that competition for food between the two species may have contributed ...