18 October 2010, 07:38 AM ET
It's always been tough for astronomers to weigh a star directly, but new research sketches out a good way to do it — as long as the planets (and moons) align.
16 October 2010, 07:45 AM ET
Selected teams can compete for $30 million in NASA funding on top of the $30-million Google Lunar X Prize.
15 October 2010, 12:43 PM ET
The recent revelation that a NASA photo was touched up before being released to the public is not evidence that the space agency has something to hide. NASA routinely processes raw images to enhance details, or to visualize things the human eye could neve
13 October 2010, 07:45 AM ET
Five of Saturn's inner moons are engaged in a cosmic paintball fight, pelting each other with particles that leave bright, colorful splotches and bands.
13 October 2010, 07:22 AM ET
The best time to observe the Moon is during its first quarter phase. Along the line dividing day and night on the moon, shadows are long and its features stand out.
11 October 2010, 11:33 AM ET
NASA has advised contractors to anticipate reduced spending on the moon-bound Constellation program it plans to cancel, prompting a new round of contractor layoffs.
09 October 2010, 08:57 AM ET
India's second mission to the moon took one step closer to launch Monday when the nation's space agency announced it had finalized the mission's payloads.
07 October 2010, 03:08 PM ET
The hazy atmosphere of Saturn's largest moon may contain complex organic molecules that are the building blocks of life as we know it, a new study suggests.
06 October 2010, 04:39 PM ET
China’s new moon probe arrived at its destination today (Oct.6) after firing its braking thrusters to enter into lunar orbit, according to state media reports.
05 October 2010, 02:46 PM ET
If astronauts ever visit the asteroid Lutetia, they may have to strap on some snowshoes to avoid sinking beneath its nearly half-mile-thick layer of dust.
05 October 2010, 01:23 PM ET
The mysterious icy jets erupting from Saturn's moon Enceladus--discovered by NASA's Cassini spacecraft in 2005--may have their roots in a bubbly "Perrier ocean" flowing beneath the moon's frozen surface, a new study finds.
04 October 2010, 06:51 PM ET
Twenty-two teams who aim to land a spacecraft on the moon will gather this week on the Isle of Man for the Google Lunar X Prize Summit.
04 October 2010, 08:10 AM ET
Mining the moon may turn up a bounty of rare earth elements vital for national security.
01 October 2010, 03:45 PM ET
When the unmanned moon probe launched by China today (Oct. 1) arrives at its destination next week, it will target a specific zone on the lunar surface to scout out future landing sites, the country's state-run media reports.
01 October 2010, 09:28 AM ET
China launched its second moon probe Chang'e 2 Oct. 1 to begin a new phase of lunar exploration.
01 October 2010, 09:02 AM ET
Comet Hartley 2's path on the sky makes it appear especially close to the Moon on October 28th 2010.
30 September 2010, 06:48 PM ET
NASA's new space exploration program may be skewed toward asteroids and Mars, but a return to Earth's moon is not completely lost.
30 September 2010, 08:08 AM ET
China plans to launch Chang'e-2, its second-ever lunar probe, this weekend, possibly as early as Friday (Oct. 1).
28 September 2010, 03:20 PM ET
NASA's new Orion space capsule is steadily coming together in preparation for a 2013 launch, even though the craft's mission and funding are in limbo at the moment.
28 September 2010, 12:36 PM ET
A screening of previously lost tapes from the Apollo 11 mission – including footage of Neil Armstrong's iconic descent from the lunar module to the surface of the moon – will take place in Australia next week, according to news reports.
27 September 2010, 08:00 AM ET
One of Mars' moons probably coalesced from rubble thrown into space after a comet or meteorite slammed into the Red Planet, a new study has found.
25 September 2010, 11:31 PM ET
A NASA spacecraft got a great look at Titan yesterday, probing the atmosphere of Saturn's largest moon to see how it changes as the seasons turn.
24 September 2010, 02:30 PM ET
Thoughts and observations from Shuttle / Apollo / Gemini astronaut John Young on why Humanity needs to continue exploring and expanding beyond the bounds of Earth and, especially, to the Moon. Capt. Young turned 80 years old on September 24th 2010.
23 September 2010, 11:49 AM ET
See Neptune's moon Triton up close with new footage released from the 1989 flyby of the Voyager 2 probe.
23 September 2010, 10:24 AM ET
A bright Harvest moon ushered in the changing seasons on Earth late Wednesday (Sept. 22).
23 September 2010, 09:54 AM ET
The rare cosmic triple play of Jupiter, Uranus and the full moon is dazzling amateur astronomers this week in a bright night sky show.
23 September 2010, 07:54 AM ET
When packing for a manned mission to Mars or the moon, the best thing to bring may not be food or fuel, but specially-designed organisms that can create those things for you.
22 September 2010, 03:56 PM ET
A new robot moon landing mission is being designed for the European Space Agency.
21 September 2010, 07:41 AM ET
This Wednesday there will be a spectacular triple conjunction of the harvest moon, Jupiter, and Uranus.
20 September 2010, 06:08 PM ET
The presence of water on the moon may be a boon for future manned bases, but new research suggests it might also put a major crimp in plans for ambitious telescopes on the lunar surface.
19 September 2010, 11:32 AM ET
Skywatchers around the world gazed at the lunar surface Sept. 18, but only one place allowed them to watch NASA fire lasers at the moon.
19 September 2010, 09:46 AM ET
Skywatchers around the world spent a night with the moon Sept. 18 during the first International Observe the Moon Night.
18 September 2010, 01:01 AM ET
Skywatchers can get their lunar fix Sept. 18 at three NASA space centers as part of the first International Observe the Moon Night.
17 September 2010, 07:30 AM ET
This weekend brings the first global moon-watching event inspired by those who are curious about the moon. Here is how to see it.
16 September 2010, 02:02 PM ET
A new map of the moon's craters and study of lunar mineralogy offer insights into the moon's past.
16 September 2010, 12:07 PM ET
A NASA moon probe wraps up the exploration phase of its mission today, moving on to new things after gathering data that helped transform our understanding of Earth's nearest neighbor.