A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...

Analysis of an ancient meteorite suggests that rocky planets both near and distant from the sun may have formed at the same ...

UNDATED (WKRC) - Astronomers recently made an important discovery when they found a rare "in-sync" solar system with six planets all moving in one big grand harmony, completely untouched by ...

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

An international team of astronomers has discovered a distant planetary system that challenges long-standing theories of how ...

Astronomers have discovered a rare solar system with six planets moving in sync with one another. Estimated to be billions of years old, the formation 100 light-years away may help unravel some ...

Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...