The bones of butchered and cooked animals have been found in the most high-status graves. Some hold the skulls of wild sheep, ...

The NASA satellite image shows rust-red rock formations in Wyoming—evidence of 220-million-year-old 'megamonsoons'.

Fossils unearthed in Villa El Chocón, Argentina, have led paleontologists to identify a previously unknown sauropod species.

An in-depth assessment reveals that dozens of giant amphibians died on an ancient floodplain. Around 230 million years ago, ...

This week, solve the mystery of an ancient human ancestor’s fossil, meet a new generation of dire wolves, spy April’s full ...

Astronomers using the James Webb Space Telescope confirmed that the planet K2-18b has traces of dimethyl sulfide, a potential ...

A mapping expedition in the Tlayócoc cave in Mexico led a professional cave explorer to a hidden chamber containing shocking ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. An intriguing object my husband and I saw during our ...

NASA has admitted that an over 300-foot-wide hole in the surface of Mars could be a 'portal' leading to alien life hiding ...

Part of the challenge when it comes to researching the existence of alien life is knowing where to look. Until relatively recently, the focus for Nasa’s search for life was Mars, but that began to ...

The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and ...