Jan. 15, 2013
NASA scientists say 2012 was the ninth warmest of any year since 1880, continuing a long-term trend of rising global temperatures. With the exception of 1998, the nine warmest years in the 132-year record all have occurred since 2000, with 2010 and 2005 ranking as the hottest years on record.
Feb. 13, 2013
Starting at 2 p.m. EST on Friday, Feb. 15, NASA Television will provide commentary and images of near-Earth asteroid 2012 DA14 as it flies safely past Earth closer than many artificial satellites.
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.
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.
March 12, 2013
An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.
Feb. 8, 2013
The planet Mercury is about to make its best apparition of the year for backyard sky watchers. Look west at sunset for a piercing pink planet surrounded by twilight blue.
April 24, 2013
Saturn and Earth are having a close encounter. See the ringed planet at its best and brightest on April 28th.