Study suggests Earth-like exoplanets may be common, based on microlensing data revealing super-Earths with distant orbits.

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

Large hailstones made of ammonia may explain why the gas is missing from large pockets of Jupiter's atmosphere.

NASA's Juno revealed mushballs on Jupiter, reshaping our understanding of deep, violent gas giant storm systems.

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

Witness the spectacular and destructive consequences of a collision between the solar system's two largest planets.

With its beautiful rings, Saturn may be the most stunning planet in the solar system. It is the sixth planet from the sun and ...