Solar System
27 Years Ago: Voyager 2’s Visit to Uranus
Image of Uranus' crescent taken by a departing Voyager 2 on January 25, 1986 (NASA/JPL) 27 years ago today, January…
Take a Rollercoaster Ride Around Venus
If you've ever wanted to see what it's like to buzz Venus like only a spacecraft can, here's your chance:…
A Hi-Res Mosaic of Mercury’s Crescent
A view of Mercury from MESSENGER's October 2008 flyby (NASA / JHUAPL / Gordan Ugarkovic) Every now and then a…
What Craters on the Moon Teach Us About Earth
When the Moon was receiving its highest number of impacts, so was Earth. Credit: Dan Durda Some questions about our…
Kepler Finds Hundreds of New Exoplanet Candidates
Artist's depiction of the Kepler 10 system, which contains planets 2.2 and 1.4 times the size of Earth. (NASA/Ames/JPL-Caltech) Kepler…
Ancient Impacts Stained Vesta with Carbon-Rich Material
Composite-color 3D image of Cornelia crater on Vesta (NASA/JPL-Caltech/UCLA/MPS/DLR/IDA) Ever since arriving at Vesta in July 2011, NASA's Dawn spacecraft…
How Long is a Day on Mercury?
1/3 the distance from the Sun than Earth, it should be no surprise that a day on Mercury is a…
A Color View of Darling Dione
Color-composite of Dione made from raw Cassini images acquired on Dec. 23, 2012. (NASA/JPL/SSI. Composite by J. Major.) Although made…
Valles Marineris: The Grandest Canyon of All
A digital terrain model of a portion of Mars' Valles Marineris, the largest canyon in the Solar System. Credit: ESA/DLR/FU…
Voyager 1 May Have Left the Solar System
Number of particles from the Sun hitting Voyager 1. Credit: NASA While there's no official word from NASA on this,…