A NASA astronaut recently sent the internet into a frenzy when he posted an alien-looking photo on social media. The photo ...

A weird, tentacled object floating in the International Space Station turned out to be something most people have in their kitchens.

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, ...

The internet went into a frenzy on Friday when a NASA astronaut shared a weird alien-looking photo on social media. The photo ...

A retired 'UFO general' and a NASA-linked scientist have both vanished in the US, fuelling clashes over whether the case points to espionage, a cover-up or something stranger.

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

A former NASA developer has analyzed 1950 photographic plates showing nine unexplained objects in Earth's orbit, years before the first satellite launch, sparking alien technology theories ...

A strange, tentacled object that went viral online was revealed to be a space-grown purple potato. Astronaut Don Pettit ...

Answers to some of those questions could finally become public after President Trump's call last week for the release of ...

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