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

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

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

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

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

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

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. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

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 ...

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

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 images that recently have gone viral actually date back to 2001.