
On Jan. 31, 2011, NASA's Cassini spacecraft passed by several of Saturn's intriguing moons, snapping images along the way. Cassini…

Three images of the same location taken at different times on Mars show seasonal activity causing sand avalanches and ripple…

Kepler's planet candidates by size. Image credit: NASA/Wendy Stenzel

Kepler's planet candidates as of Feb. 1, 2011. Image credit: NASA/Wendy Stenzel

Kepler's candidates of multi-planet systems. Image credit: NASA/Tim Pyle

APOD Science APOD APOD: 2011 February 3 – Six… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…

Kepler-11 Planet Sizes

The daytime temperature's expected to be more than 2,500 degrees Fahrenheit, hotter than lava flows here on Earth, hot enough…

Kepler-10b orbits one of the 150,000 stars that the Kepler spacecraft is monitoring, a star that is very similar to…

The world's largest vacuum chamber resides at the NASA Glenn Research Center's Space Power Facility, located at Plum Brook Station…