How do you weigh a planet you can't see? Astronomers may have the answer and it involves "reading between the rings," the ...

The early solar system may have been far more chaotic than we ever imagined. A new study published in Icarus suggests that ...

Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published ...

In a first-of-its-kind discovery, astronomers claim they have directly measured the magnetic fields of multiple planets ...

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

Looking at the Solar System, Jupiter and Uranus both have plenty of irregular moons. In supercomputer simulations, the ...

New research suggests the moons of Jupiter and Uranus may hint that our planetary neighborhood once had a third ice giant.

(CN) — A newly discovered system of six planets, about 100 light-years away from Earth, may offer a rare chance to study how solar systems and even planets develop and evolve. The six exoplanets orbit ...

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

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

(WHTM) – When you look into the night sky, you’ll see planes flying by, stars twinkling, and sometimes you’ll see planets. Mercury has 88 days in a year and is a terrestrial planet. The size of ...

CAPE CANAVERAL, Fla. — Astronomers have discovered a rare solar system in the Milky Way that boasts six planets orbiting in perfect rhythm like a cosmic orchestra, untouched by outside forces since ...