30 May 2013, 04:34 PM ET
Radar imagery of space rock 1998 QE2 – 1.7 miles in diameter – shows it has a ~2000 foot wide satellite. The 'binary asteroid' will makes its closest approach to Earth on May 31st, 2013 at a range of 3.6 million miles.
30 May 2013, 02:01 PM ET
Astronomers used data from NASA's Grail probes to study gravitational anomalies on the moon.
30 May 2013, 02:00 PM ET
The crew of a Mars-bound mission would face significant radiation and cancer risk en route.
26 May 2013, 01:01 PM ET
Scientists may thus have to work a little harder to figure out what the moon is made of.
23 May 2013, 04:06 PM ET
Private companies are interested in setting up lunar bases.
22 May 2013, 02:25 PM ET
This space wallpaper shows the ray pattern of dust that was ejected from the crater over a billion years ago, when an asteroid larger than a mile (1.6 km) across slammed into the Moon.
21 May 2013, 02:53 PM ET
The lunar surface is incredibly exposed.
20 May 2013, 01:39 PM ET
The explosion was so bright that it could be seen by the naked eye all the way from Earth. Powered by Newslook.
17 May 2013, 10:11 AM ET
A new 65-foot-wide impact crater is the result.
17 May 2013, 09:16 AM ET
A NASA moon monitoring telescope captured the blast, which could be seen by the naked eye on Earth, on March 17th, 2013. The object was the size of a small boulder and may be part of a meteor swarm that also flew past Earth.
14 May 2013, 05:37 PM ET
A private company's manned moon lander has moved one step closer to reality.
14 May 2013, 06:30 AM ET
Skylab II could be the United States' first deep-space station.
10 May 2013, 01:39 PM ET
A telescopic camera on the island of Groote Eylandt in the Northern Territory of Australia captured these images of the annular solar eclipse of 9 May 2013 for the SLOOH Space Camera network.
10 May 2013, 01:30 PM ET
NASA's Terra spacecraft captured the image during this week's "ring of fire" solar eclipse.
10 May 2013, 07:01 AM ET
The moon had a surprisingly intense magnetic field for 160 million years longer than previously thought.
09 May 2013, 02:24 AM ET
How Solar Eclipses Work: When the moon covers up the sun, skywatchers delight in the opportunity to see a rare spectacle.
08 May 2013, 07:00 AM ET
The region witnessed a total solar eclipse in November as well.
07 May 2013, 07:00 AM ET
Parts of Australia and the Pacific region will get a rare skywatching treat on Thursday and Friday.
30 April 2013, 02:22 PM ET
Luna will be between the feet of the Gemini Twins, will pass by the Beehive Cluster, near the paws of the Leo the Lion and more. Find out what you can see as you follow the Moon in May.
29 April 2013, 06:45 AM ET
Lunokhod 1 last trekked across the lunar surface more than four decades ago.
25 April 2013, 06:24 PM ET
A partial lunar eclipse amazed skywatchers around the world today (April 25).
25 April 2013, 11:03 AM ET
See photos of the partial lunar eclipse and full moon of April 25, 2013.
24 April 2013, 07:00 AM ET
The celestial action begins tonight, when the moon sidles up to the star Spica.
22 April 2013, 07:00 AM ET
Important cultural artifacts aren't restricted to our home planet, researchers say.
19 April 2013, 01:20 PM ET
You can't see any footprints, but it's still neat to observe the six Apollo landing sites through a telescope.
17 April 2013, 03:40 PM ET
Today, methane sloshes around on the surface of Titan, but the compound may vanish from Saturn's giant moon.
16 April 2013, 12:50 PM ET
New findings from a NASA moon probe could lead to safer, more efficient spacecraft.
14 April 2013, 07:00 AM ET
It may only cost you $500 million to get to the moon, instead of the originally advertised $750 million.
12 April 2013, 12:22 PM ET
Amateur astrophotographer Bruce Brown of Canton, Miss., captured this spectacular image of moonrise.
11 April 2013, 07:00 AM ET
The REAL Space Act would help safeguard American leadership in space, its sponsors say.
10 April 2013, 06:08 PM ET
The mission is in its early stages, but some details are already emerging.
10 April 2013, 07:00 AM ET
The mission is challenging but achievable, experts say.
08 April 2013, 07:00 AM ET
NWA 7325 may be too old to have plausibly come from the solar system's innermost planet.
05 April 2013, 05:16 PM ET
The money should jump-start an ambitious program to send astronauts to a space rock in 2021.
04 April 2013, 02:52 PM ET
Night sky photographer Tamas Ladanyi of The World at Night captured this stunning view over the historic city of Pécs, Hungary.
02 April 2013, 07:30 AM ET
The Skylab II outpost would be a modified hydrogen tank from NASA's Space Launch System rocket.