A rather outlandish claim that an alien gun was spotted in a photo taken on Mars 12 years ago has drawn attention.

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from ...

Well, as a matter of fact, I have often had close encounters with aliens, only I never bothered to mention it here. For this ...

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

We explore the litany of cinematic deaths of the 1990s and select the five that prove the funniest of the lot. Read more ...

Photos of amazing, almost unreal places Who needs fantasy? Earth is full of “alien planets” and surreal beauty beyond ...

Ross Coulthart speculates SpaceX employees could be read into secret UFO programs.

A new study into the 3I/ATLAS interstellar comet points to it having been born as far back as 12 billion years ago in a very ...

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.