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.

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 discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, the country’s space agency said. By Hari Raj An Australian beach community ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

"When TESS launched, no one expected it to ever be capable of finding this kind of planet." When you purchase through links ...

On Sunday, an aging Japanese spacecraft named Hayabusa2, which completed its initial sample-return objective more than half a ...

"This is the first time that we've been able to predict in human history an asteroid visibly passing by the Earth." ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Starfleet encounters​​​. Whether it's the warlike Klingons, the logic-seeking Vulcans, or the alluring Orions, the Star Trek ...

I was expecting “Take Me To Your Leader: Perspectives On Your First Alien Encounter” to offer lots of insightful tips from famous astrophysicist Neil deGrasse Tyson on how to behave, what to say, and ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...