Aug. 30, 2012
Most spacecraft try to avoid the Van Allen Belts, two doughnut-shaped regions around Earth filled with "killer electrons." This morning NASA launched two heavily-shielded spacecraft directly into the belts. The Radiation Belt Storm Probes are on a two-year mission to study the Van Allen Belts and to unravel the mystery of their unpredictability.
Aug. 29, 2012
This week's full Moon is a Blue Moon--that is, the second full Moon in a calendar month. But will the Moon really turn blue? Strange but true: Scientists say it can happen.
Aug. 22, 2012
Curiosity has made its first tire tracks on Mars. On August 22nd, the massive rover began driving from its landing site, which scientists have named for the late author Ray Bradbury.
Aug. 20, 2012
NASA's Mars rover Curiosity has fired its laser for the first time on Mars, using the beam to study a fist-size rock called "Coronation."
Aug. 17, 2012
Curiosity is safe on Mars and ready to roll. In today's story from Science@NASA, project scientist John Grotzinger discusses where the rover might go first.
Aug. 10, 2012
The Perseid meteor shower is underway. There's more to see than meteors, however, when the shower peaks on August 11th through 13th. The brightest planets in the solar system are lining up in the middle of the display.
Aug. 8, 2012
Late Monday night, an image from the High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter captured the Curiosity rover and the components that helped it survive its seven-minute ordeal from space to its present location in Mars' Gale Crater.
Aug. 7, 2012
A key ingredient of Earth's strangest clouds does not come from Earth. New data from NASA's AIM spacecraft proves that "meteor smoke" is essential to the formation of noctilucent clouds.
Aug. 6, 2012
With split-second timing, NASA's Mars Reconnaissance Orbiter has captured an amazing snapshot of Curiosity parachuting to the surface of Mars.
Aug. 6, 2012
NASA's most advanced Mars rover Curiosity has landed on the Red Planet. The one-ton rover, hanging by ropes from a rocket backpack, touched down onto Mars Sunday to end a 36-week flight and begin a two-year investigation.