How are stars named? And what happens when they die? These star facts explain the science of the night sky.| Space.com
Scientists have discovered more than 4,000 alien planets to date. Here's a brief rundown of the main techniques they use to find these far-flung worlds.| Space.com
Thousands of exoplanets have been discovered since the 1990s, including "hot Jupiters," "super-Earths" and other types of alien worlds.| Space.com
Explore our solar system's planets from the nearest to the sun to the furthest.| Space.com