03 May 2011, 07:30 AM ET
A huge ocean of liquid water may slosh about beneath the frigid surface of Saturn's moon Titan, according to a new study.
02 May 2011, 07:25 AM ET
When the Apollo 12 crew returned pieces of a moon probe to Earth, scientists found microbes from Earth inside.
28 April 2011, 02:46 PM ET
Skywatching tips for how you can view six planets aligned above the rising sun.
28 April 2011, 08:00 AM ET
Space tourism has already reached low-Earth orbit, and now the industry is shooting for the moon.
19 April 2011, 12:48 PM ET
The Space Exploration Vehicle will provide astronauts a pressurized shirtsleeve environment as well as hatch attached space suits to explore the moons surface. NASA's Desert Research and Technology Studies (D-Rats) team are testing the vehicle.
15 April 2011, 01:31 PM ET
Skywatchers can observe the first full moon of the spring season in the Northern Hemisphere Sunday (April 17).
06 April 2011, 12:56 PM ET
The global image should aid lunar research and exploration for years to come, scientists say.
06 April 2011, 10:40 AM ET
SpaceX's Falcon Heavy rocket under development could enable new missions beyond low-Earth orbit to destinations in the solar system.
06 April 2011, 07:26 AM ET
Over the next few days, the moon will move past two of the prettiest star clusters in the sky.
04 April 2011, 06:02 PM ET
Wadi Rum is an alien-looking landscape in Jordan.
01 April 2011, 12:23 PM ET
Skywatching events in April 2011, including planet conjunctions and a meteor shower.
30 March 2011, 12:30 PM ET
Venus and the moon will shine bright together before sunrise on March 31.
22 March 2011, 04:33 PM ET
The Orion vehicle is slated to begin operational flights in 2016.
22 March 2011, 01:57 PM ET
A look at NASA's Orion space capsule, which could carry astronauts to the moon, asteroids and other deep-space locales. The first test flight of the spacecraft is scheduled for 2013.
21 March 2011, 04:37 PM ET
The photo is a mosaic constructed of images taken by the Wide Angle Camera, one of the three instruments comprising the Lunar Reconnaissance Orbiter Camera (LROC).
20 March 2011, 10:30 AM ET
From India and Australia to the U.S. and U.K, skywatchers caught dazzling views of the March 19 "supermoon."
19 March 2011, 10:30 AM ET
On March 19th, a full Moon of rare
size and beauty will rise in the east at sunset. It's a super
"perigee moon"--the biggest in almost 20 years.
18 March 2011, 05:21 PM ET
Tonight's "supermoon" might actually come in second place behind one that occurred in 2008.
18 March 2011, 12:50 PM ET
The moon sets on Cerro Paranal, home of ESO's Very Large Telescope (VLT), in Chile.
18 March 2011, 08:11 AM ET
The biggest full moon of 2011 is also a supermoon and arrives March 19.
18 March 2011, 07:53 AM ET
The moon, our closest celestial neighbor, still has quite a few mysteries up her sleeve.
13 March 2011, 08:05 AM ET
NASA scientist Jim Garvin explains the significance of the 'supermoon'coming on March 19.
11 March 2011, 02:29 PM ET
An earthquake has struck Japan surprisingly near the date of the March 19 supermoon, but this is just a coincidence.
10 March 2011, 12:26 PM ET
The slim crescent moon will pass the Pleiades star cluster tonight.
09 March 2011, 04:14 PM ET
A prominent astrologer says the March 19 'supermoon' will cause earthquakes and volcanoes. He's wrong, but the idea isn't so crazy.
08 March 2011, 10:50 PM ET
Skywatching events in March 2011, including the largest full moon of the year.
07 March 2011, 10:48 PM ET
The discovery makes it more likely that a liquid-water ocean lies beneath Enceladus' icy surface.
06 March 2011, 03:43 PM ET
Jupiter's 12-year orbit around the sun is carrying it out of Earth's evening skies.
05 March 2011, 08:07 AM ET
See photos of the March 2011 'supermoon' full moon from around the world.
03 March 2011, 05:22 PM ET
The new moon of March arrives Friday. Here's how to see the first sliver the new moon.
28 February 2011, 03:55 PM ET
The fabric roofs of many domed stadiums and other structures are made of fabrics based on the stuff that helped protect astronauts when they walked on the moon.
28 February 2011, 11:46 AM ET
There will be two total lunar eclipses and four partial solar eclipses in 2011.
26 February 2011, 09:12 AM ET
Venus and the moon should give skywatchers a morning sky show on Monday.
24 February 2011, 07:36 PM ET
29 teams are set to compete in the Google Lunar X Prize, a multimillion-dollar race to land a homemade robot on the moon. The competition is meant to spur development of commercial and private spaceflight.
18 February 2011, 04:57 PM ET
The "Saturn Triangle" is returning to the night sky for late-night skywatchers.
16 February 2011, 04:56 PM ET
The full moon of February is known as the Wolf Moon to some Native Americans.