Solar System

We live in an amazing planetary system. From the yawning Valles Marineris on Mars and the subsurface ocean hiding beneath the ice crust of Jupiter’s moon Europa, to the eerily Earth-like terrain of Saturn’s moon Titan, the solar system brims with wonders. And let’s not forget the Sun, with its mysteriously hot corona and its solar flares.

Here you’ll find the latest news from our ongoing exploration of the solar system. Whether it be stunning pictures from NASA’s Curiosity rover or new revelations about planets’ history and formation, we bring you authoritative reports on the coolest and most important developments in planetary science and heliophysics.

Just Saying Hello

See a Potentially Hazardous Asteroid From Your Backyard

Get ready for 2014 JO25, the biggest asteroid to fly this close to Earth since 2004. Good news — even a 3-inch telescope will show it! Update: See below for a radar image and animation of 2014 JO25 captured by NASA's Goldstone Solar System Radar on April 18, 2017. Every week, a handful of new Earth-approaching asteroids…