The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha Centauri, new research has revealed.

For the flyby, Parker has been out of contact with its base on Earth, 93 million miles (149 million kilometers) away, and ...

The new study is investigating how often primordial black holes enter our solar system and how they affect ... there may be enough of them for at least one to fly past the inner planets every ...

Today (March 1), NASA's Europa Clipper spacecraft will fly past Mars ... "It's like a game of billiards around the solar system, flying by a couple of planets at just the right angle and timing ...

A UVA professor is part of the study of Trojan asteroids, presumed remnants of the early solar system that share Jupiter’s orbit around the sun. (Illustration by Johnny Utterback, University ...