The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

Pluto was reclassified as a dwarf planet in 2006. Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar system ...

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...