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, ...

How the megalodon, a shark that went extinct 3.6 million years ago, stayed warm was a matter of speculation among scientists. Using an analysis of tooth fossils from the megalodon and other sharks of ...

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 ...

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 ...

Fossil evidence confirms that a gigantic reptile, similar to the modern Komodo Dragon, lived four million years ago near ...

Researchers have gained new insights into rhinoceros evolution and the longevity of the North Atlantic Land Bridge from analyzing the perfectly preserved fossils of a "frosty" Arctic rhino.

The Pliocene epoch, which lasted from 5.3 million to 2.6 million years ago, was a consequential time in Earth's history. The ...

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 ...