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

Scientists may have found one of the main sources of rocky material for the solar system, forming diverse populations of baby ...

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

Four-and-a-half billion years ago, a massive world—possibly as big as the moon or even Mars—orbited our sun before crashing ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration shows a hot ...

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

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

(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 ...

For decades, the solar system set the template: small rocky planets close to the star, gas giants farther out, beyond a ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky ...

Astronomers using planet-hunting satellites have discovered a rare solar system with six planets moving completely in sync with one another, as if they were untouched by any outside force since being ...