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

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

When it comes to the space sciences, nothing is quite as exciting as the search for alien life, and NASA thinks it has a good idea of where to look.

Congressman Tim Burchett accuses NASA of concealing classified information about UFOs, challenging the agency's public ...

Aliens: "Sorry, you're cutting out!" The post Something May Be Scrambling Alien Messages, NASA-Funded Research Finds appeared ...

NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven advanced technology partners for its next major mission, the Habitable Worlds ...

Answers to some of those questions could finally become public after President Trump's call last week for the release of files related to UFOs or any "alien and extraterrestrial life." Mr. Trump ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Space conspiracy theorists are accusing NASA of cutting a live stream from the International Space Station just as an unidentified object comes into view. Theories began swirling on YouTube earlier ...

The spud's alien-like root growth has prompted some conspiracy theories.

The race to compile a sort of catalogue of the planets orbiting distant Suns is intensifying, with the upcoming Nancy Grace Roman Space Telescope, for instance, set to spot tens of thousands of such ...