The Pentagon released its fourth batch of UFO files Friday following President Trump’s declassification order earlier this ...

The U.S. military on Friday released a new batch of files related to UFOs, or UAP, the fourth group of documents unveiled in ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

In a week when the race to become Britain’s next prime minister is effectively a one-horse race, there seems to be more ...

Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

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

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.

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

That sharp, briny smell is not the salt, it is a gas made by life, breathed out by tiny ocean creatures too small to see. For ...

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...