A strange purple object aboard the ISS sparked alien fears online, but NASA revealed it was a potato experiment. It shows how ...

Astronomers have discovered an additional 100 new worlds in data collected by NASA's exoplanet-hunting spacecraft TESS, ...

Call it Spud-nick. An image of a tentacled growth in space has caused an uproar online with freaked-out viewers imploring ...

A retired 'UFO general' and a NASA-linked scientist have both vanished in the US, fuelling clashes over whether the case ...

NASA astronaut Don Pettit has sent the internet crazy after sharing a snap of an object which looks like an egg with black ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

A former NASA developer has analyzed 1950 photographic plates showing nine unexplained objects in Earth's orbit, years before ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Created by the solar wind — ...

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

IMAGES of an unusual pyramid-shaped structure on Mars that look like those in Egypt have reignited wild theories about aliens ...

With the release, the American public could learn what, if anything, the government has documented about the unexplained ...