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.

Artist's rendering of Mars 2020 rover.
NASA/JPL-Caltech

NASA Gears Up for Mars 2020 Rover

Six years from now, there will be a new NASA robot heading to the Red Planet: the Mars 2020 rover. On July 31st mission planners unveiled the rover’s seven scientific instruments, which will pave the way for human exploration of Mars.

New Horizons visits Pluto in 2015

One Year Until New Horizons

New Horizons will reach Pluto a year from today, and the scientific community is abuzz with speculation about what the space probe might see when it gets there. Meanwhile, the New Horizons team scours the skies for a Kuiper Belt Object that New Horizons can visit after its Pluto flyby.

Two planets colliding

Three New Findings About the Moon

Researchers have announced interesting news concerning the Moon, especially about how and when it formed, and why the "Man in the Moon" constantly stares at us whenever the lunar disk is fully lit.

Comet-chasing spacecraft ISEE 3

35-year-old ISEE 3 Craft Phones Home

Although its scientific work for NASA ended in the early 1980s, the International Sun-Earth Explorer never quite died — and this week it was revived by a team of volunteers intent on letting it continue exploring interplanetary space.

http://sites.agu.org/newsroom/files/2014/04/14-20-combo-graphic-2000-pixels.jpg

An Asteroid to Rule Them All

Scientists have new insight into the damage caused by a Rhode Island–size asteroid that hit Earth more than 3 billion years ago, making the rock that wiped out the dinosaurs look like a lightweight.

LADEE over the Moon

LADEE Skims the Moon Before Crash

NASA has a fully functioning spacecraft orbiting the Moon, all science goals completed, and a lunar eclipse coming up. It's a perfect opportunity to make some risky but potentially rewarding swoops within 2 miles of the lunar surface.