Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

A mysterious metal-rich asteroid called Psyche has been baffling scientists for over two centuries, and its true origin ...

Do aliens exist? Few debates have proved as enduring – or as divisive – as the question of whether there is life beyond Earth ...

Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

Some believe the Betz mystery sphere, a steel ball that a Florida family found on their property in 1974, is a piece of alien ...

Following the intense cliffhanger that closed out Alien: Earth Season 1, an exciting update from the production team suggests that Season 2 is moving forward faster than anticipated, offering a ...

Roughly 66 million years ago, scientists believe an enormous meteor, dubbed Chicxulub, smashed into the Earth in an extinction-level event that wiped out 75 percent of life, including the vast ...

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...

ABOARD AIR FORCE ONE - United States President Donald Trump on Feb 19 accused former President Barack Obama of disclosing classified information when he recently said that aliens were real, but Mr ...