Sept. 27, 2012
Mars rover Curiosity has found evidence that a stream once ran vigorously across the area where the rover is now driving.
Sept. 21, 2012
A former rock-n-roller turned NASA engineer explains why he thinks Curiosity--both the Mars rover and the human desire to learn new things--matters to ordinary people on Earth.
Sept. 14, 2012
NASA's Mars rover Opportunity, still active after all these years, has just discovered a dense accumulation of puzzling little spheroids in a rock outcrop on the Red Planet.
Sept. 12, 2012
Once, astronomers thought planets couldn't form around binary stars. Now Kepler has found a whole system of planets orbiting a double star. This finding shows that planetary systems are weirder and more abundant than previously thought.
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.