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.

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

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 ...

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 ...

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

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

Europe is in the middle of a record-breaking heat wave, and the grid is being pushed to its limits as people turn to fans and ...

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from the first time people have reported seeing inexplicable lights in the sky.

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...