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 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 ...
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 ...
Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...
A bizarre floating growth on the International Space Station has sent the internet into a frenzy because of its alien-like ...
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 ...