Ever gazed at the night sky and wondered if we're truly alone, or if cosmic travelers zip through our solar neighborhood ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

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 ...

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 ...

The mysterious interstellar object traveling through our solar system has been spotted acting like no other comet ever seen before, revealing its alien origins. Scientists from Michigan State ...

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 ...

A view of HOPS-315, a baby star some 1,400 light-years from Earth where astronomers have observed evidence for the earliest stages of planet formation. Combined with data from the James Webb Space ...

Life could have arrived on Earth in ancient collisions with rocks from other solar systems (Image: Hubble/Princeton) Life could have arrived on Earth in rocks from other solar systems, scientists ...