Earth's history is marked by devastating mass extinctions, each one reshaping life as we know it. Now, experts warn that ...

Scientists estimate that the first generation of reptiles evolved between 320 and 310 million years ago, this group was later dominated by dinosaurs which paleontologists say they evolved on Earth ...

Check out these ten amazing facts about the US National Mammal, the American bison. Know about its ecological significance, ...

They brought an animal ... women who have trouble carrying babies to term. But for many scientists, de-extinction is a distraction from the pressing work required to stave off mass extinctions.

Abundant fossil bones, teeth, trackways, and other hard evidence have revealed that Earth was ... which led the Alvarezs to conclude that the mass extinction was caused by an extraterrestrial ...

Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the ...

The transcriptome (or sum total of the messenger RNA) of the white shark showed greater similarity to the human transcriptome ...

Crocodilians have survived mass extinctions without breaking a sweat.