Astronomers have detected an Earth-size planet candidate orbiting a nearby star once a year, making it a promising target for future studies.

Far from our solar system, astronomers have finally watched a star consume one of its own planets, catching in real time a process that will eventually reshape, and likely erase, the world we live on.

Add Yahoo as a preferred source to see more of our stories on Google. Artist's impression shows a rocky planet orbiting a stellar remnant called a white dwarf roughly 4,200 light years from Earth By ...

WASHINGTON, Sept 26 (Reuters) - The first rocky planet ever spotted orbiting a burned out star called a white dwarf offers a glimpse of what may be in store for Earth billions of years from now - ...