Pluto is a unique celestial body, which makes it perfect for answering some lingering questions about where we came from and where we're going.
An abandoned online gaming pioneer is now playable again on Steam.
Meet the interstellar warriors of Spaceguard.
The Queen musician is making noise about an asteroid defense project.
The Emergency Asteroid Defence Project is looking for $200,000, to start with.
You usually want to take a more subtle approach, according to the chair of this week's Planetary Defense Conference.
The NEOWISE telescope took millions of infrared images of near-earth comets and asteroids last year.
NASA won't be redirecting any asteroids, after all.
This morning, NASA's Dawn spacecraft was pulled into orbit around the dwarf planet Ceres, where it will stay until June 2016.
Plus, some useful tips for terraforming other planets.