Using a new technique that partly relies on artificial intelligence, researchers spotted potentially more than 10,000 new exoplanets.

Astronomers have found new evidence that a mysterious ninth planet may be hiding at the edge of the solar system - rewriting what we know about the cosmos again. An international team from Taiwan, ...

Scientists may have identified one of the Solar System’s most important “planet factories” hidden just beyond Jupiter.

Scientists have discovered a bizarre planetary system where a rocky world orbits farther out than giant gas planets, defying ...

Scientists are discovering strange new planets beyond our solar system. These worlds defy old ideas about how planets form and what they look like. From marshmallow-like planets to those with glass ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of ...