A biochemist breaks down challenges that astronauts Suni Williams and Butch Wilmore will face after their long duration in ...

A new documentary is causing a stir by asserting the presence of alien life on Earth and claiming a US government effort to ...

We may be starting to get a grasp on what kick-started life on Earth – and it could help us search for it on other planets ...

More than half a billion years ago on a frigid, ice-covered Earth, glaciers stirred up ingredients for complex life by bulldozing land minerals and then depositing them in the ocean, according to ...

We may earn commission if you buy from a link. Why Trust Us? All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely lived on ...