Astronomers have discovered an additional 100 new worlds in data collected by NASA's exoplanet-hunting spacecraft TESS, ...
The internet went into a frenzy when a NASA astronaut shared a weird alien-looking photo on social media. The photo showed an ...
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 ...
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 ...
Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...
Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...
Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s ...
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 ...