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 ...

A rare meteorite recovered from the Sahara Desert contains evidence of a long-lost moon-size world that existed just a few ...

Unlike rocky planets such as Mars and Earth, angrites do not have a lot of silicon dioxide. Because of this, astronomers have ...

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

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

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

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

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

NASA's new chief wants to reinstate Pluto as a planet. And scientists are on board – as long as you're also okay with having ...