Harvard scientist Avi Loeb suggests comet 3I/ATLAS may be an alien vessel seeding life, after NASA's SPHEREx spacecraft detected unexplained methane and organic chemicals on board.

Barack Obama has clarified a recent interview in which he said aliens are “real,” insisting he saw “no evidence” that extraterrestrials have made contact with us while he was U.S. President.

Getting astronauts to Mars is only half the mission — the real problem is bringing them back. NASA engineers are designing the Mars Ascent Vehicle (MAV), a rocket that must launch from the surface of ...

Barack Obama has clarified a recent interview in which he said aliens are “real,” insisting he saw “no evidence” that ...

A declassified CIA file reprints a 1993 Ukrainian newspaper report claiming dozens of Soviet soldiers were allegedly turned ...

Every week, Sarah Knapton, our Science Editor, and Joe Pinkstone, our Science Correspondent, demystify your supernatural experiences. From ghoulish encounters to bizarre coincidences, there’s always ...

Eric Dane, the actor widely recognized for his portrayal of Dr. Mark Sloan on the long-running medical drama “Grey’s Anatomy,” has died at the age of 53, his family confirmed Thursday. His passing ...

The four should arrive at the orbiting lab on Saturday, filling the vacancies left by their evacuated colleagues last month.

A spokesperson issued a statement Friday after Trump said his team would start “identifying and releasing” government files.

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...