14 July 2014, 06:01 AM ET
On Monday, Aldrin will participate in a live Google Hangout with Space.com, discussing the upcoming 45 th anniversary of his historic Apollo 11 moon mission, the future of lunar exploration and other topics.
12 July 2014, 07:27 AM ET
Learn what makes a big full moon a true 'supermoon' in this SPACE.com infographic.
06 July 2014, 01:01 PM ET
A colossal but glancing smashup with a roughly Earth-size planet could have stripped away much of proto-Mercury's rocky mantle, explaining why the tiny, sun-scorched world has such a huge iron core today, researchers say.
04 July 2014, 09:00 AM ET
The moon and Mars will rendezvous in the night sky Saturday, putting on a spectacular show. Some skywatchers will even see the moon blot out the Red Planet in an event known as an occultation.
28 June 2014, 07:05 AM ET
Jupiter will end its brilliant year-long showing on Sunday evening (June 29) with a rendezvous with a young and slender crescent moon. Both objects will sit low on the horizon in the twilight sky.
16 June 2014, 11:45 AM ET
Earth's gravitational pull is so powerful that it creates a small bulge on the surface of the moon. For the first time, scientists have observed this bump from orbit, using NASA satellites.
12 June 2014, 05:15 PM ET
Heat shining from the young Earth could help solve the more than 50-year-old mystery of why the far side of the moon, which faces away from Earth, lacks the dark, vast expanses of volcanic rock that define the face of the Man in the Moon as seen from Ea
03 June 2014, 10:24 PM ET
This space wallpaper shows the dark and shadowed regions of the Moon that fascinate astronomers and Pink Floyd fans alike.
23 May 2014, 03:28 PM ET
Looking low toward the east beginning at around 4:30 a.m. local daylight time, you'll see a narrow waning crescent moon, just 12 percent illuminated. Situated about 2 degrees below and to its left will be the brilliant planet Venus.
21 May 2014, 11:48 PM ET
Material blasted off Mars from meteor impacts may have scarred the surface of Phobos, one of the Red Planet's two tiny moons, a new study suggests.
19 May 2014, 02:49 PM ET
NASA has shortlisted three potential commercial partners for non-funded agreements as part of the agency's quest to land robotic spacecraft on the moon.
15 May 2014, 10:39 AM ET
Signals beamed from the Arecibo Observatory in Puerto Rico penetrated deep into the moon. They then bounced back and were detected by the Green Bank Telescope in West Virginia, at 330 feet (100 m) wide, the planet's biggest fully steerable radio telescope
09 May 2014, 06:15 AM ET
See the latest images of the moon from NASA's LRO spacecraft.
03 May 2014, 01:36 AM ET
A unique camera system is helping open the moon to next-generation exploration.
02 May 2014, 12:42 PM ET
Asteroid 2014 HL129 will fly nearly 187,000 miles away (.7 Lunar distance) from Earth on its closest approach on May 3rd, 2014. It is an estimated 32-feet-wide.
02 May 2014, 07:10 AM ET
A crowdfunded team of engineers, programmers and citizen scientists aims to bring out of retirement the International Sun-Earth Explorer 3 (ISEE-3) probe, which launched in 1978 and ceased science operations in 1997.
26 April 2014, 03:30 AM ET
The 1994 eclipse — when a dragon ate the sun.
24 April 2014, 06:50 PM ET
Night sky photographer Giuseppe Petricca of Pisa, Italy, took these gorgeous images on March 3 of the crescent moon illuminated with earthshine over an Italian citadel. See how he did it.
24 April 2014, 06:53 AM ET
NASA's Lunar Atmosphere and Dust Environment Explorer (LADEE) slammed into the moon's surface, as planned, in the early hours of April 18, bringing to six the number of spacecraft whose remains are known to dot the lunar far side.
23 April 2014, 03:49 PM ET
Skywatcher Victor Rogus of Jadwin, Missouri captured this wonderful image of 4 percent illuminated moon in conjunction with planet Mercury on Feb. 27, 2014. See how he did it.
18 April 2014, 10:21 AM ET
Here's a list of the top 11 things that have impacted the lunar surface.
14 April 2014, 04:38 PM ET
The first total lunar eclipse of 2014 will occur overnight tonight, marking the start of an eclipse tetrad — four back-to-back total lunar eclipses — that will happen over the next 18 months.
12 April 2014, 03:17 AM ET
Despite frozen shutters and cracking film, Victor Rogus captured the 2000 lunar eclipse.
09 April 2014, 04:58 PM ET
A series of four total lunar eclipses in a row is called a tetrad, or four Blood Moons. See how lunar eclipse tetrads work in this Space.com infographic.
09 April 2014, 10:29 AM ET
The batteries that power NASA's Lunar Reconnaissance Orbiter need sunlight to recharge, and the probe will fly in darkness for long periods during the total lunar eclipse, which will be visible throughout the Western Hemisphere on April 14 and 15.
08 April 2014, 07:00 AM ET
This spectacle of celestial shadows will be the first of two total lunar eclipses that North America will be able to observe in 2014. Unlike an eclipse of the sun, an eclipse of the moon presents no hazards to the viewer. No precautions to protect the eye
07 April 2014, 05:27 PM ET
Planets abound in the night sky this month, which affords good views of Venus, Jupiter and Neptune. And on Tuesday (April 8), Mars will make its closest approach to Earth in more than six years.
05 April 2014, 08:00 AM ET
Step outside Sunday (April 6) evening to see a rendezvous of two of the brightest objects in the night sky: the moon and the planet Jupiter.
03 April 2014, 07:00 AM ET
Scientists and engineers at NASA's Ames Research Center in Moffett Field, Calif., are drawing up a low-cost mission concept that would send a robotic spacecraft to Phobos or Deimos, one of Mars' two tiny satellites.
02 April 2014, 01:01 PM ET
After gazing up at the moon for thousands of years, we're still not exactly sure how it came to be. Here's a brief rundown of the most prominent theories scientists have come up with to explain the moon's origin.
02 April 2014, 01:01 PM ET
The moon, Earth's only natural satellite, formed about 95 million years after solids started forming in the solar system. Learn more about how Earth's nearest neighbor evolved.
02 April 2014, 01:00 PM ET
The moon is Earth's nearest neighbor, but its origins date back to a violent birth billions of years ago. See how the moon was made in this Space.com infographic.
24 March 2014, 06:34 PM ET
The technology to make lunar missions routine is on the horizon, says Astrobotic CEO John Thornton.
24 March 2014, 04:32 PM ET
Volunteers with no astronomy experience can pick out craters on the moon as accurately as a researcher with five to 50 years' experience, a new study reports. The finding could give a further boost to the use of citizen scientists in research projects.
24 March 2014, 07:00 AM ET
Scientists have identified a dozen or so promising targets for NASA's asteroid-capture mission, which seeks to drag a small rock — or a piece of a larger one — into a stable orbit around the moon, where it would be visited by astronauts down the road.
21 March 2014, 05:34 PM ET
The agency announced today (March 21) that it's seeking proposals for advanced technology-development studies that could bring the asteroid-redirect mission closer to reality and help keep the effort's costs down.