Scientists are investigating more details about a 'potentially hostile alien threat' moving through our solar system ...

An unidentified flying object has been spotted hurtling towards Earth, and one expert believes it could be the first evidence of extraterrestrial intelligence.

A mysterious object from outside our solar system-one that a Harvard scientist suggests could be alien technology-is making ...

"We should put all possibilities on the table that it's a rock, a comet, or something else until we get the evidence, the ...

Confirmed as an alien comet, new observations have given us a much better idea of how large this interstellar object actually ...

A Harvard physicist has asserted that new images of the Manhattan-sized interstellar object rocketing through our inner solar ...

Massive interstellar object 3I/ATLAS, larger than Manhattan, shows unusual glow pattern and planetary alignment that Harvard ...

NASA astronomers have witnessed the movement of the fastest ever comet seen so far and using Hubble Space Telescope clicked ...

Mankind must decide how it’s going to deal with contact with extraterrestrials — and time could be running out, one expert ...

Sixty years on, the first people to step foot on the moon are still idolized. The names Buzz Aldrin and Neil Armstrong will forever be etched into the history of humanity. But less is known about some ...

MARS -- Did NASA capture images of an alien skeleton on Mars? A space enthusiast in Waxahachie, Texas, says he believes a group of apparent rocks is actually the skull and spine of a possible Martian.

NASA isn’t talking about intelligent alien civilizations from the Alpha Quadrant; it’s referring to microorganisms. “We are not talking about little green men,” Stofan said at the panel.