01 July 2011, 06:33 PM ET
Scientists still aren't sure how the moon came to be, but they believe it is one of the keys to life evolving on Earth.
01 July 2011, 12:46 PM ET
Skywatching events in July 2011, including two new moons and a partial solar eclipse.
27 June 2011, 01:52 PM ET
Asteroid 2011MD was captured zooming by the Earth by Observatory Pla d'Arguine in Segorbe, Spain.
24 June 2011, 06:00 PM ET
The planet Jupiter dances with a slender waning crescent moon this weekend in the night sky.
23 June 2011, 02:01 PM ET
Earth and the other rocky planets aren't made out of the solar system's original starting material.
23 June 2011, 08:01 AM ET
The planets Venus, Jupiter, Mars are shining bright at dawn in the northeastern sky.
22 June 2011, 08:45 AM ET
The Lunar Reconnaissance Orbiter (LRO) generated lunar elevation map has produced a much sharper view than that of its predecessor. Another step in enabling safe and effective exploration of the moon.
21 June 2011, 06:24 PM ET
The exploration phase of the Lunar Reconnaissance Orbiter's life has been a complete success, NASA officials say.
21 June 2011, 03:54 PM ET
A NASA spacecraft has captured a stunning new image of a small, icy Saturn moon.
17 June 2011, 11:11 AM ET
Buzz Aldrin, the second man to walk on the moon, has separated from his wife of 23 years, Lois Driggs Cannon.
15 June 2011, 11:38 AM ET
China's moon probe, Chang'e 2, is now beginning a new phase of deep space exploration.
14 June 2011, 08:00 AM ET
What if dinosaurs had not gone extinct? What if Earth was twice as large? How 10 key moments in history could change the present.
09 June 2011, 11:37 AM ET
Saturn forms two night sky triangles this month, one with stars and the other with the moon.
08 June 2011, 03:24 PM ET
June's first quarter moon tonight is the best time for skywatchers to gaze at the moon this month.
07 June 2011, 12:33 PM ET
The first comprehensive set of maps of the slopes and craters on the lunar surface is showing a whole new moon.
06 June 2011, 07:29 AM ET
The Moon is constantly being resurfaced, creating many terrain-types, great diversity among craters and making places where water ice hides; awaiting a generation of moon-miners to turn it into commercially viable life support and rocket fuel
03 June 2011, 03:37 PM ET
NASA?s 2011 Lunabotics competition saw 46 robots from around the world fighting to prove their worth by collect the most simulated moon rocks.
03 June 2011, 02:56 PM ET
The lander test went as planned, but a grass fire was sparked by concrete kicked up from the launch pad.
03 June 2011, 02:51 PM ET
See photos of NASA's Project Morpheus, a robot lander to test space exploration tech.
02 June 2011, 05:35 PM ET
An asteroid the size of a small motorhome zoomed near Earth last night (June 1), coming closer to us than the moon sits.
01 June 2011, 10:35 AM ET
There are a great many wonders to see in the night sky. A telescope is your magic carpet, your time machine and much more.
01 June 2011, 10:22 AM ET
Skywatching events in June 2011, including eclipses of the sun and moon.
27 May 2011, 03:01 PM ET
Two solar eclipses and one lunar eclipse will occur in June and July.
26 May 2011, 02:00 PM ET
Scientists may have to rethink some of their ideas about how the moon formed.
25 May 2011, 01:57 AM ET
Fifty years ago, President John F. Kennedy challenged Congress and the nation to land a man on the moon in before the decade closed. Read the text of his speech.
25 May 2011, 12:00 AM ET
John F. Kennedy's famous speech of May 25, 1961 laid the foundation for humanity to set foot on the moon and fundamentally changed NASA.
20 May 2011, 11:58 AM ET
The 1902 science fiction film classic "A Trip to the Moon" is seeing new life at Cannes Film Festival.
13 May 2011, 10:29 AM ET
Saturn, the moon and a bright star team up for a night sky triangle this weekend.
12 May 2011, 02:01 PM ET
A global "ocean" of molten rock sloshes beneath the surface of Jupiter's moon Io, feeding the fiery satellite's prolific volcanism.
10 May 2011, 11:47 AM ET
A squat, insect–like contraption is set to fly untethered for the first time soon in a NASA test flight.
10 May 2011, 09:47 AM ET
The total lunar eclipse of December 21, 2010, is visible from the site of ESO's Very Large Telescope (VLT) at Cerro Paranal in Chile.
09 May 2011, 02:35 PM ET
During this month of May, four bright planets will engage in a fascinating dance with each other in the morning sky.
09 May 2011, 08:52 AM ET
The shores of Ontario Lacus lake in the Southern Hemisphere of Saturn's moon Titan has very familiar features, surprising being that it is 800,000,000 miles away and 289° below 0°F.
09 May 2011, 08:49 AM ET
Next stop, somewhere beyond Earth's orbit.
08 May 2011, 01:00 PM ET
An untold number of cosmic impacts could have created the mysteriously thick atmosphere on Titan.
04 May 2011, 04:10 PM ET
In late May and early June, the Moon will appear to dance from day to day with Jupiter, Mercury and Venus. This animation looks East at 5:00am from the U.S. East Coast. Viewers with telescopes can also spot Uranus, Neptune and Ceres in this ballet.