Scientists have built a computer model of Earth without life to help determine whether ...

Scientists searching for advanced alien civilizations have detected a mysterious signal in data from the world's largest ...

The search for extraterrestrial intelligence (SETI) is mostly concerned with where to look for technosignatures from another ...

New findings from a European Space Agency spacecraft suggest that Mars may still have volcanic activity beneath its surface.

A radio signal from a star 238 light-years away briefly looked like it might be a sign of alien life, but the astronomers who found it say it’s more likely coming from somewhere on Earth. The signal ...

What can a lifeless Earth teach scientists about finding life beyond Earth? This is what a recent study published in The ...

Learn how lumps of brain tissue grown in space could help scientists better understand an aggressive form of cancer.

It's a dizzyingly busy time for scientists searching for life on distant planets. To date, astronomers have cataloged more than 6,000 planets beyond our solar system and are searching the atmospheres ...

Movies and TV offer different ways to explore sci-fi. Films have the budget, while TV has time. Here's five shows that ...

From the classic alien tale Solaris to the modern masterpiece The Three-Body Problem, these sci-fi books are genuinely ...

Everyone has probably looked up at the night sky and wondered, 'Is there someone out there somewhere in this universe?' It's ...

The online reaction to Susan Dell’s White House appearance made that image explicit: commenters described her as “alien” or ...