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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The solar system has a few ...

What can a piece of debris from another star tell astronomers about planets they may never see directly? The answer has changed dramatically since the first confirmed object from another star crossed ...

Harvard astrophysicist Avi Loeb says interstellar comet 3I/ATLAS likely comes from the Milky Way's disc, as astronomers ...

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 ...

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 ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

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 ...

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 ...