The newly discovered moons are "irregular" satellites, meaning they are small (averaging about 3 km across) and have distant, often eccentric orbits.

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

Our solar system is way more bizarre and dynamic than what our school textbooks taught us. From Venus being super hot to ...

The Solar System is a weird place filled with incredible physics and geological oddities that often break down in human terms ...

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 ...

Oxford-led team found a sulfur-rich exoplanet with a vast magma ocean, 35 light-years away, challenging current planet ...

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 ...

Learn more about L 98‑59 d, an exoplanet 35 light‑years away with a deep global magma ocean ...