The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

The study showed that Enceldus’ conditions hold the most promise for sustaining life. The research team predicts that the ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to destroy a planet’s atmosphere.

As telescopes have become more powerful, it’s turned out our solar system is not the only game in town: There are millions of other planets out there in the galaxy. But we’re still teasing out clues ...

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of ...

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...