Space is still the final frontier, and NASA has announced that the frontier is more vast than we realized. The NASA Kepler mission has discovered 715 planets set up in multiple-planet systems a lot ...

The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found. The official number of exoplanets — planets outside our solar system — ...

A pattern in the movements of a brown dwarf that orbits a Sun-like star is likely to be caused by a moon. If confirmed, this would be the first exomoon, that is a moon orbiting a planet that in turn ...

Almost all planets in our solar system have moons – why not exoplanets? Astronomers believe they have discovered the first ...

A University of Arizona-led team discovered a growing planet, WISPIT 2b, forming inside a disk gap around a young star. The finding confirms theories that protoplanets carve out gaps in disks of gas ...

It's the fifth such life-possible planet outside our solar system revealed in less than a year, but still relatively nearby Earth. WASHINGTON - Astronomers have found yet another planet that seems to ...

TUCSON, Ariz. (KVOA) - A team led by University of Arizona astronomer Laird Close has discovered a growing planet outside our solar system, marking the first time such a find has been made in a ...