When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

The Transporter-17 rideshare mission is scheduled to lift off at 3:10 a.m. ET on Tuesday (July 7).

"We are essentially looking to remove all reliance on Earth's resources so that we can build a sustainable industry in space.

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Recently, two of the powerful men on the planet where space policy is concerned had an exchange on the social media platform ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...