When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

When Anastasios Tzanidakis was sifting through some older telescope observations, he stumbled across something that should ...

Astronomers witnessed planets colliding 11,000 light-years away, an event that could shed light on the collision that created ...

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 ...

Astronomers have identified a strange new kind of exoplanet that challenges how scientists classify worlds beyond our Solar System. The planet, L 98-59 d, appears to contain a vast ocean of molten ...

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

How does fine dust aggregate into building blocks that ultimately form entire planets like our Earth? A research team led by ...

In our solar system, Jupiter is the undisputed king. If you added more mass to Jupiter, it wouldn’t actually get much bigger ...

(EL PASO COUNTY, Colo.) — Peterson Space Force Base held the grand opening of a new, innovative running trail on Tuesday, ...