With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

NASA’s Kepler mission has verified 1,284 new planets – the single largest finding of planets to date. “This announcement more than doubles the number of confirmed planets from Kepler,” said Ellen ...

A stunning alignment of Mercury, Mars, Jupiter, Saturn, Uranus and Neptune will occur this summer in a phenomenon called the 'parade of planets' Skyler Caruso is a Writer and Reporter of PEOPLE ...