"Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's ...

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...

An object might have come to us from outside of our solar system, scientists said. It would be just the third time that we ...

Astronomers have discovered a new object that originated outside of our Solar System — only the third to be found.

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

The icy giant is more than 10 times the size of any known comet, according to the National Radio Astronomy Observatory.

New research says that Earth could be ejected from our solar system if a passing star was to come close enough.

Detecting exoplanets is one thing, but imaging them is another thing entirely. Astronomers can detect them by the way they ...

Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

Researchers now appreciate that gas planets are more complex than first thought. New findings have implications for our ...