23 February 2013, 02:35 PM ET
Astrophotographer Chad Blakley captured three amazing videos of northern lights over Sweden's Abisko National Park.
23 February 2013, 01:48 PM ET
The X-37B has been orbiting Earth on a mystery mission since Dec. 11, 2012.
23 February 2013, 01:20 PM ET
Changing a potentially dangerous space rock's reflectivity could nudge it off course.
22 February 2013, 04:08 PM ET
Dennis Tito's nonprofit organization may want to launch astronauts toward the Red Planet in 2018.
21 February 2013, 02:10 PM ET
Fifth-graders to college students can work with NASA's Mars Odyssey satellite.
21 February 2013, 01:56 PM ET
The Solar Dynamics Observatory spacecraft captured the video during a July 2012 eruption.
20 February 2013, 09:49 PM ET
The giant sunspot is as large as six Earths, NASA says.
20 February 2013, 08:53 PM ET
The blinking star Algol is actually a pair of eclipsing stars.
20 February 2013, 08:39 PM ET
NASA's Mars rover made a giant leap for space exploration when it drilled its first sample of Red Planet rock.
20 February 2013, 08:18 PM ET
Kepler-37b, the smallest known exoplanet, is about the size of the moon.
20 February 2013, 04:52 PM ET
Home of the hottest temperature on Earth also gets 'Gold Tier' rating for spectacular night skies.
20 February 2013, 04:39 PM ET
This evocative space wallpaper shows a dark cloud where new stars are forming along with a cluster of brilliant stars that have already emerged from their dusty stellar nursery.
20 February 2013, 03:44 PM ET
William Shatner's favorite has taken the lead in SETI's moon-naming competition.
20 February 2013, 02:42 PM ET
Astronomers at the University of Hawaii are building ATLAS to detect incoming space rocks.
20 February 2013, 02:24 PM ET
The NASA video clearly shows asteroid 2012 DA14 tumbling through space near Earth.
20 February 2013, 02:19 PM ET
Sped up for human ears, hear the largest infrasound blast ever detected by the world's nuclear-monitoring network.
19 February 2013, 10:07 AM ET
The universe may be in for a catastrophic end in billions of years.
19 February 2013, 09:41 AM ET
This space wallpaper reveals a fisheye view of the Southern Sky with constellations.
19 February 2013, 09:22 AM ET
This cool space wallpaper shows the Eskimo Nebula, or NGC 2392, located about 4000 light-years from Earth in the constellation of Gemini.
19 February 2013, 09:05 AM ET
Water on the moon was there as the moon formed, not delivered later by solar wind and comets.
18 February 2013, 11:33 AM ET
The first results from the AMS experiment on the International Space Station are expected in about two weeks.
18 February 2013, 10:56 AM ET
Military satellites that monitor nuclear explosions could be vital meteor warning systems.
17 February 2013, 11:44 AM ET
Mark Kelly went on Meet the Press this morning and mentioned briefly the Russia meteor blast.
16 February 2013, 12:20 AM ET
The perfectly picturesque spiral galaxy known as Messier 81, or M81, looks sharp in this new composite from NASA's Spitzer and Hubble space telescopes and NASA's Galaxy Evolution Explorer.
15 February 2013, 06:29 PM ET
Meteorite hunters converging on Russia for a collector's bonanza.