Metal spheres found on a Queensland beach are likely space debris, not extraterrestrial. The Australian Space Agency is working with international partners to confirm their origin.

The coating could be applied on future spacecraft designed to block light from distant stars hosting exoplanets.

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).

Before his death, Stephen Hawking consistently warned humanity against contacting aliens. As interest in UFOs and little ...

Just months after 9/11, strange messages started appearing across U.S. military computers: “Your security system is crap.” ...