26 September 2013, 01:46 PM ET
As the Moon passes through Earth's magnetic field, two lunar-orbiting spacecraft look for turbulence, particle acceleration, and magnetic reconnection. These phenomena control how the solar wind interacts with Earth's magnetosphere.
23 September 2013, 06:00 AM ET
The leading theory of the moon's origin holds that it was created when a mysterious planet slammed into Earth about 4.56 billion years ago. But new analyses of lunar rocks suggest that the moon is actually between 4.4 billion and 4.45 billion years old.
21 September 2013, 07:00 AM ET
SPACE.com readers around the world sent in their best photos of the Harvest Moon full moon of September 2013. See the amazing photos here.
20 September 2013, 06:00 AM ET
Photographer Dustin Prickett captured this cosmic wedding photo with the moon and Venus overhead on Sept. 8, much to the delight of the unsuspecting bride and groom. See how he did it here.
18 September 2013, 06:55 PM ET
A small asteroid harmlessly zipped by Earth closer than the orbit of the moon today (Sept. 18). At just 3 to 10 feet in diameter, asteroid 2013 RZ53 would have burned up in Earth's atmosphere if it were on a collision course with the planet.
18 September 2013, 06:00 PM ET
Tonight's full moon is called the Harvest Moon because many fruits and vegetables tend to ripen in the late summer and early fall. Farmers once relied on this full moon's light, working late into the evening to harvest their crops.
18 September 2013, 09:18 AM ET
NASA researchers have pieced together a view of the moon that's impossible from Earth. The amazing new mosaic images and mesmerizing animation show what the moon looks like as it rotates under the sun.
18 September 2013, 06:00 AM ET
A small asteroid first discovered last Friday will whiz by the Earth today (Sept. 18), zipping closer than the orbit of the moon. The space rock poses no danger to Earth, scientists say.
16 September 2013, 05:34 PM ET
A tiny asteroid discovered just last week is set to zip by Earth on Wednesday (Sept. 18), passing between our planet and the moon. It is small enough and distant enough that it poses no threat to people.
10 September 2013, 10:40 AM ET
The University College of London, the only UK host of a NASA Regional Planetary Image Facility, has recently released a stunning selection of the historic space pictures—many of them never published online before, others only ever in low resolution.
09 September 2013, 02:35 PM ET
A spectacular conjunction of the moon and Venus wowed skywatchers around the world on Sept. 8 in what astronomers call a conjunction. The event marked the closest
09 September 2013, 11:07 AM ET
See spectacular photos of Venus near the moon on Sept. 8, 2013 from stargazers around the world. The celestial pairing wowed amateur astronomers and skywatchers across the U.S., South America and beyond.
09 September 2013, 10:26 AM ET
Photographer Mike Black (mikeblackphotography.com) compiled this time-lapse of the crescent Moon and the Morning Star together on September 8th in Belmar, NJ.
08 September 2013, 09:23 AM ET
About 45 minutes after sunset on Sunday (Sept. 8), look toward the west-southwest horizon to see Venus hovering rather close to a waxing crescent moon — an eye-catching tableau in spite of the pair's low altitude in the night sky.
04 September 2013, 05:38 PM ET
A colossal storm that raged on Saturn in 2010 and 2011 churned water ice up from deep within the ringed planet's thick atmosphere. NASA's Cassini spacecraft detected the ice crystals from orbit, marking the first observation of water on the planet.
04 September 2013, 07:00 AM ET
A stunningly bright meteor lit up the skies over the American South last week, and NASA caught the dramatic action on video. The fireball blazed up early on Aug. 28, putting on a brief but spectacular show for night owls in several states.
03 September 2013, 05:40 PM ET
A Minotaur V rocket will carry NASA's Lunar Atmosphere and Dust Environment Explorer spacecraft (LADEE) on its maiden launch, which is slated to take place Friday at 11:27 p.m. from the space agency's Wallops Flight Facility in Virginia.
30 August 2013, 01:03 PM ET
As we kick off the Labor Day holiday weekend, early on Saturday (Aug. 31) during the predawn hours, check out the east-northeast sky anytime after 2 a.m. local daylight time and your eyes will immediately be drawn to the two brightest objects in the sky a
29 August 2013, 12:09 PM ET
NASA's All-Sky cameras captured a very bright meteor burning up in the atmosphere at the same time that the Moon was in the camera field of view. Early estimates: meteor weighed ~240lbs and was traveling ~56,000 mph.
27 August 2013, 02:13 PM ET
A spacecraft has spotted water on the lunar surface that originated deep within the moon. The find marks the first detection of "magmatic water" from orbit and confirms analyses performed on moon rocks brought to Earth by Apollo astronauts.
27 August 2013, 07:00 AM ET
Stargazer and photographer Stefano De Rosa snapped this stunning beautiful photo of the Blue Moon full moon of August rising over and Italian castle on Aug. 20, 2013. See how De Rosa captured the photo here.
23 August 2013, 07:00 AM ET
A look at NASA's Asteroid Initiative, which aims to park a space rock near the moon.
22 August 2013, 09:52 AM ET
Apollo 13 astronauts practice their moonwalk at the Kennedy Space Center before the lunar mission.
19 August 2013, 03:28 PM ET
This month's full moon, which rises on Tuesday (Aug. 20), is not just a Blue Moon — it's also the Full Sturgeon Moon, the Full Red Moon, the Green Corn Moon and the Grain Moon.
14 August 2013, 07:00 AM ET
The moon may be more of a stumbling block than a stepping stone on humanity's path to Mars. The perceived need to develop lunar infrastructure and resources first could push a manned Red Planet mission far off into the future, NASA's Harley Thronson says.
09 August 2013, 02:00 PM ET
Veteran night sky photographer John Chumack snaps stunning image of a hazy gibbous moon glowing over Rice Lake, Ontario, Canada on June 26. He used a Canon Rebel Xsi at Prime Focus of Celestron's 70mm Travel Scope Refractor (400mm FL).
06 August 2013, 02:49 PM ET
The Lunar transit as seen from NASA's Solar Dynamics Observatory's geosynchronous orbit, was captured on August 6th, 2013.
25 July 2013, 09:38 PM ET
NY Times best-selling author Homer Hickam believes the U.S. should claim the lunar landing sites as protected parks.
24 July 2013, 10:45 AM ET
This rare space wallpaper taken on July 19 by NASA's Cassini spacecraft shows Saturn's rings and our planet Earth and its moon in the same frame.
23 July 2013, 06:10 PM ET
A night sky photographer captured a cool photo of a propeller plane and the moon over France.
22 July 2013, 06:04 PM ET
NASA's Saturn system probe snapped imagery of the Earth and Moon on July 19th, 2013. Our home planet appears as a not-so-pale blue dot.
19 July 2013, 11:16 AM ET
NASA Cassini probe radar has not detected waves on the hydrocarbon lakes and seas on giant Saturn moon. New research is underway to try to solve the mystery.
17 July 2013, 02:10 PM ET
July is full of encounters between astronomical objects, and the action continues this weekend with three different planets taking center stage. Venus will dance with the star Regulus Sunday evening, while Mars and Jupiter will be visible in Gemini (The T
16 July 2013, 01:04 PM ET
On Tuesday (July 16), Major League Baseball's All Star Game will be played at Citifield in New York, but the baseball diamond won't be the only place to see stars that night. Two of the “All Stars of the Night Sky” will stage a celestial rendezvous, not j
13 July 2013, 10:19 AM ET
In mid-July 2013, skywatchers will be able to observe the moon moving in relation to Spica and Saturn. Also, Mars and Jupiter appear to move together in the morning sky.
11 July 2013, 07:00 AM ET
The Soviet Union's Lunokhod 2 rover did indeed travel about 3 miles farther on the surface of the moon than originally thought, meaning that any robot hoping to break its distance record will have to run a full marathon, researchers say.