01 February 2013, 03:54 PM ET
Asteroid 2012 DA14 will make a very near fly-by of the Earth. Mercury, Mars and the Moon get cozy and Comet Pan-STARRS will be visible.
01 February 2013, 01:56 PM ET
Retired astronaut Jerry Ross shares deeply personal memories of the Columbia and Challenger accidents with SPACE.com's Clara Moskowitz. Col. Ross was involved in comforting and counseling fallen astronauts' families.
01 February 2013, 11:37 AM ET
Stargazers will be able to see a clear view of the Orion and Canis Major Constellations this month, and the many bright stars they contain.
01 February 2013, 10:45 AM ET
Apollo 1, Challenger and Columbia crews made the ultimate sacrifice for the mission of exploration. NASA honors their memory on first day of February every year, its also the anniversary of the Columbia disaster.
31 January 2013, 04:48 PM ET
ISS Commander Chris Hadfield shows us the fine points of manual digital hygiene in microgravity. A clean-handed astronaut is a happy astronaut.
31 January 2013, 04:08 PM ET
Researchers using the Solar Dynamics Observatory have spotted these tightly wound magnetic field lines that are at the heart of a coronal mass ejection. Previously they were only visible as the blast erupted away from the Sun.
31 January 2013, 02:53 PM ET
A gargantuan string of super-heated plasma snapped off of the Sun's surface over a four hour period on January 31st, 2013.
31 January 2013, 12:34 PM ET
Satellite sleuth Kevin Fetter of Brockville, Ontario, caught this view of the secretive X-37B robotic space plane cruising across the sky during May, 2010. The capabilities and possibile missions of this program have not been made public.
30 January 2013, 08:21 PM ET
The Tracking and Data Relay Satellite System is getting an upgrade. The TDRS-K spacecraft launched from Cape Canaveral, Florida on January 30th, 2013 at 8:48pm EST.
30 January 2013, 11:57 AM ET
The manager of NASA's Near-Earth Object Program office talks about potentially hazardous asteroids, comets and his new book: "Near-Earth Objects: Finding Them Before They Find Us".
30 January 2013, 09:06 AM ET
Sierra Nevada's Dream Chaser is one of three programs seeded by NASA for commercial crew transport to Space Station. Now in early testing, this reusable vehicle's aerodynamic shape is a descendant of NASA's X-24A lifting body flown from 1969 to 1971.
29 January 2013, 07:28 PM ET
A sounding rocket was launched from Wallops Island Flight Facility on January 29th, 2013. It released chemical tracers creating red vapor trails in Space. The vapor trails were not seen in this video, but could be observed in the Mid-Atlantic region.
29 January 2013, 02:13 PM ET
Writer/director S G Collins of Postwar Media debunks every theory that the Apollo Moon landings could have been faked in a studio. The filmmaker takes a look at the video technology of the late 1960's, showing alleged fraud was simply not possible.
29 January 2013, 12:13 PM ET
ESA's Venus probe captured images over a full orbit on January 7th-8th, 2012 and a partial orbit on June 1st, 2012. The orbiter comes as close as 155 miles from the surface of the 2nd planet.
29 January 2013, 10:01 AM ET
On February 15, 2013, asteroid DA14's nearest approach will be 17,200 miles. It is about half the size of a football field and similar in size to the asteroid that leveled 100 square miles of forest in Siberia in 1908 (Tungunska Event).
28 January 2013, 04:52 PM ET
Ronald E. McNair was a mission specialist on the ill-fated STS-51L mission. Not-for-profit organization StoryCorps, developed this animated short called "Eyes on Stars" about an African-American kid who battled adversity to reach his goals.
28 January 2013, 04:36 PM ET
160,000 light years from Earth, the region of hurried massive star growth and supernovas called DL50 is radiating x-rays 20x faster than a typical such structure. Chandra X-Ray Observatory scientists are looking to find out why.
28 January 2013, 02:05 PM ET
It has been 10 years since NASA added to its fleet of TDRS communication satellites, and the soon to launch TDRS-K will be the seventh satellite providing crucial communications between the Earth, satellites, ISS, and Hubble Space Telescope.
28 January 2013, 01:33 PM ET
Iran says it has sent a monkey into space successfully.
28 January 2013, 12:25 PM ET
NASA's Commercial Crew Program dedicates taxpayer dollars to private companies, who may employ thousands, to re-supply and deliver crew to the International Space Station. But will it work?
28 January 2013, 12:08 PM ET
In 2011, on the 25th Anniversary of the Space Shuttle disaster, agency officials gathered to pay tribute to the fallen astronauts.
28 January 2013, 11:30 AM ET
Communicating with Earth-orbiting satellites and astronauts on the space station requires satellites specifically designed for Earth-to-Space communication. NASA will soon add to this vital network with the launch of the TDRS-K.
25 January 2013, 05:34 PM ET
On January 23rd, 2013, eruptions on the Sun sent coronal mass ejections in front of Mercury and in the direction of Earth (strong impact not expected). NASA's SDO and STEREO spacecrafts captured the imagery.
25 January 2013, 05:01 PM ET
The manager of NASA's Near-Earth Object Program office talks about how potentially hazardous asteroids are assessed and his new book: "Near-Earth Objects: Finding Them Before They Find Us".
25 January 2013, 01:27 PM ET
In Mars' polar regions, carbon dioxide freezes up to 2 feet thick. As the Sun begins to thaw the ice it turns into a gas. The gas release carries dark sand and dust, moving them down the steep sides of the dunes.