May 30, 2013
Astronomers using data from NASA's Wide-field Infrared Survey Explorer (WISE) have identified 28 new families of asteroids.
June 7, 2013
Noctilucent clouds have surprised researchers by appearing early this year. The unexpected apparition of electric-blue nightshining clouds hints at a change in the "teleconnections" of Earth's atmosphere.
July 1, 2013
When Opportunity left Earth in 2003, many observers expected the rover to survive no more than a few months on the hostile surface of Mars. 10 years later, Opportunity is still going strong and could be poised to make its biggest discoveries yet at a place named Solander Point.
July 23, 2013
Images of Earth taken by two NASA interplanetary spacecraft on July 19 show our planet and its moon as bright beacons from millions of miles away in space.
July 26, 2013
New research by NASA's Meteoroid Environment Office shows that one meteor shower produces more fireballs than any other--the Perseids. This year's Perseid peak is just around the corner on August 12-13.
May 10, 2013
Mercury, Venus and Jupiter are lining up for a beautiful sunset conjunction at the end of May.
Feb. 14, 2013
Some researchers believe that near-Earth asteroid 2012 DA14 might experience seismic activity when it flies through Earth's gravitational field on Feb. 15th.
Jan. 28, 2013
On Feb. 15th an asteroid about half the size of a football field will fly past Earth closer than many man-made satellites. Since regular sky surveys began in the 1990s, astronomers have never seen an object so big come so close to our planet.
Nov. 27, 2013
"Rock comet" 3200 Phaethon has sprouted a tail, confirming that the mysterious object is the source of the annual Geminid meteor shower.
March 12, 2013
An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.