A top U.S. Air Force general linked to the military's alleged research on UFOs has gone missing – and experts are calling his mysterious disappearance a "grave national security crisis," ...

Finding life beyond our solar system goes beyond measuring an exoplanet's size, as rocky, Earth-sized worlds might not have the conditions for life as we know it. While exoplanets can be directly ...

Add Yahoo as a preferred source to see more of our stories on Google. X user @kirawontmiss, CIA.gov, Instagram user @boysactingweird, illustrated by Snopes. In March 2026, a rumor resurfaced on social ...

'Alien probe' could be coming toward Earth | FOX 10 Talks Harvard Professor Dr. Avi Loeb discussed a new interstellar object called 3I/Atlas, which he thinks might be a form of alien technology. Loeb ...

Melissa Quinn is a senior reporter for CBSNews.com, where she covers U.S. politics, with a focus on the Supreme Court and federal courts. Washington — A federal appeals court on Tuesday ordered an end ...

Astronomers recently discovered a rare interstellar object passing through our solar system, and a Harvard physicist is sounding the alarm that its strange characteristics might indicate it’s more ...