16 September 2010, 07:37 AM ET
On Saturday Sept. 18, the world is invited to celebrate the first annual International Observe the Moon Night.
16 September 2010, 07:37 AM ET
Stargazers can get a great look at Jupiter on any clear night for the rest of September. The giant planet, always bright, will be especially hard to miss as it makes its closest pass to Earth for the year.
15 September 2010, 03:50 PM ET
A new photo shows the Earth and moon as seen from deep space by a NASA probe near the sun.
10 September 2010, 02:55 PM ET
China is planning to launch a second moon probe later this year.
10 September 2010, 11:24 AM ET
The moon has long drawn the eye of nighttime skywatchers, but it will take center stage this month.
08 September 2010, 01:46 PM ET
A big, bug-like NASA rover that could one day carry heavy loads on the moon is getting a chance to stretch its six legs in the Arizona desert this week.
24 August 2010, 12:54 PM ET
The moon is tricky. Just when you think it's full, celestial mechanics throws a curveball.
23 August 2010, 03:55 PM ET
The moon's orbit is not circular. So this moon will be less impressive than others.
21 July 2010, 01:06 PM ET
A mineral found in a volcanic rock from the moon's surface was discovered to contain elements that could point to a "wetter" climate in the moon's past, according to the researchers of a new study.
15 July 2010, 08:21 AM ET
Photographs of enormous pits on the moon, some hundreds of feet deep, taken by unmanned probes have given scientists a tantalizing glimpse into the lunar interior.
12 July 2010, 04:58 PM ET
A natural, dust-driven decay process might exist on the moon that would degrade manmade instruments over the long term.
25 June 2010, 12:25 PM ET
A partial lunar eclipse set to occur over North America Saturday should look particularly stunning thanks to an optical illusion.
22 June 2010, 01:41 PM ET
A new map of uranium on the moon finds the element is not abundant on the lunar surface.
14 June 2010, 03:02 PM ET
The moon's interior may harbor 100 times more water than previous estimates, according to a new study that took a fresh look at samples of moon rocks collected by Apollo astronauts nearly 40 years ago.
10 June 2010, 11:39 AM ET
Earth is not exactly getting its youth back, but a new study has determined that the collision from which the Earth and moon were formed may have occurred much later than previously thought, making out planet and moon younger than scientists had commonly
27 May 2010, 02:09 PM ET
Cosmic material that has settled on the moon over billions of years could shed light on where a peculiar type of nitrogen in our solar system came from.
12 May 2010, 01:58 PM ET
The moon and Venus frame the open cluster Messier 35 in Gemini on Sunday night, May 16.
04 May 2010, 06:00 PM ET
A group of engineers in Japan have begun planning a two-legged humanoid robot designed to walk to the surface of the moon, according to Japanese press reports.
30 April 2010, 06:19 AM ET
NASA and the European Space Agency are sending a mission to study Jupiter and its moon Europa in 2020. There may be life in the moon’s ocean, but to find out a mission will have to be able to drill down through the overlying ice shell.
28 April 2010, 01:03 PM ET
Scientists have found water ice for the first time on the surface of an asteroid – a discovery that could help explain how Earth got its oceans.
27 April 2010, 09:57 AM ET
A long lost light reflector that was left on the surface of the moon by the Soviet Union has been found by a team of physicists, after scientists searched unsuccessfully for the reflector for nearly 40 years.
27 April 2010, 08:08 AM ET
Solar winds that flow over natural obstructions on the moon may create electrically charged polar lunar craters, according to new calculations from NASA.
22 April 2010, 09:50 AM ET
Light that is bounced off reflectors on the moon's surface and used in precise measurements of the distance from Earth to the moon could be affected by cosmic dust, researchers suggest.
21 April 2010, 07:47 AM ET
The Straight Wall, one of the moon's most spectacular features, is well placed Thursday, April 22, for amateur astronomers.
16 April 2010, 11:10 AM ET
A 3-D printer could create a sandstone moon base out of lunar dust.
14 April 2010, 08:29 AM ET
On Thursday April 15, the evening starts with a triple conjunction of the moon, Mercury, and Venus, then continues with Mars visiting the Beehive.
06 April 2010, 12:46 PM ET
Saturn's moon Prometheus is showing a new side of itself in recent pictures from the Cassini probe.
05 April 2010, 01:42 PM ET
A lucky cosmic alignment will allow NASA's Cassini spacecraft to swing up close to two of Saturn's moons back-to-back this week.
02 April 2010, 03:15 PM ET
An Italian astronomer caught the rare sight of Venus and Mercury together over Rome in the night sky in a new photo.
26 March 2010, 07:25 AM ET
For the next couple of weeks, brilliant Venus and the elusive planet, Mercury, perform a sort of celestial dance for two in the western twilight sky.
17 March 2010, 09:43 AM ET
The moon will have close encounters this week with two star clusters: the Pleiades and Messier 35.
11 March 2010, 02:27 PM ET
Genuine lunar water has been discovered in Apollo moon rocks, a finding that suggests the wet stuff originally came from comets.
05 March 2010, 10:00 AM ET
A crater on the edge of the Moon's South Pole-Aitken basin may a view of the original surface.
24 February 2010, 08:59 AM ET
A full moon flooding the sky with light is an opportunity to identify the ecliptic, the path of the planets.
19 February 2010, 05:02 PM ET
Prometheus, Saturn's moon, appears to float toward the viewer in this 3-D rendering.
16 February 2010, 10:56 AM ET
Our solar system feels brand new when you look at all that's been learned in the past decade.