Add Yahoo as a preferred source to see more of our stories on Google. A view of HOPS-315, a baby star some 1,400 light-years from Earth where astronomers have observed evidence for the earliest stages ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...

Recent research suggests that our solar system could already be hosting alien probes, potentially observing us from a distance. This idea aligns with a 2023 statement from a Pentagon UFO chief who ...

Scientists from the U.S. Department of Defense and Harvard University have announced that aliens may be monitoring Earth by sending small surveillance probes into the solar system. Mr. Loeb is an ...

A young planetary system located only 10.5 light-years away has a structure remarkably similar to Earth's solar system, a new study shows. Using NASA's Stratospheric Observatory for Infrared Astronomy ...

Astronomers have trained telescopes on planets outside our solar system - and light years away from us. But there might be a planet from an alien solar system a bit closer to home. The mysterious ...

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer. The enormous interstellar object, now officially dubbed 3I/ATLAS, is already ...

Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at us? Is it possible there's alien life closer to home — within the bounds of our solar system? The ...

A huge object, possibly as big as Manhattan, has entered our Solar System and it might be more than just a rock. Some scientists now say it could be an alien spacecraft, with plans to attack Earth in ...