17 May 2012, 02:01 PM ET
Scientists had wondered what caused the massive impacts 3.9 billion years ago.
13 May 2012, 10:33 PM ET
A 42 foot space rock (asteroid 2012 JU) flew about 118,000 miles away from the Earth on May 13, 2012 (about half the distance from Earth to the Moon - 238,855 mi.). This time-lapsed and looped video shows the asteroid's orbit as it passes Earth.
12 May 2012, 08:06 AM ET
From the winner of a seat to space to photos of the supermoon sinking, it's been a busy week in space.
12 May 2012, 07:20 AM ET
See amazing views of a squashed supermoon and more in the best photos for the week of May 12, 2012.
11 May 2012, 06:41 AM ET
Old moon graces church in Turin.
10 May 2012, 04:00 PM ET
Avid astrophotographer Ajay Talwar snapped a stunning photo series of the moon and Venus over Delhi, India.
08 May 2012, 10:44 AM ET
Humans don't have to land on another planet to explore it.
08 May 2012, 10:24 AM ET
The crew of the International Space Station captured footage of the the perigee Moon – its closest approach to Earth of this orbital cycle – on May 5th, 2012.
07 May 2012, 05:44 AM ET
See amazing views of the Supermoon, a rubber chicken in orbit and more in the best photos for the week of May 6, 2012.
06 May 2012, 08:30 AM ET
The full moon of May was a dazzling supermoon for skywatchers around the globe.
05 May 2012, 10:10 AM ET
The moon may be a harsh mistress, but it can put on a dazzling skywatching show too.
05 May 2012, 08:29 AM ET
Gets tips for seeing the supermoon of 2012 and a meteor shower from Halley's comet Saturday night.
04 May 2012, 10:15 AM ET
There are a couple of theories floating around about why the moon looks larger near the horizon. Either way, be sure to check out the effect during the "supermoon" on Saturday.
04 May 2012, 06:01 AM ET
This Saturday brings a supermoon — the biggest and brightest moon of the year.
30 April 2012, 01:54 PM ET
This Saturday's May full moon will be brighter and larger than any other this year.
30 April 2012, 01:27 PM ET
When the panorama was taken, the Moon was lying close to the centre of the Milky Way in the sky, its light bathing the antennas in an eerie night-time glow in this amazing space wallpaper.
30 April 2012, 06:00 AM ET
Skywatcher and photographer Stefano De Rosa snapped this view of his three children enjoying the night sky.
27 April 2012, 09:23 AM ET
The president took some time to gaze skyward this week at Colorado's Buckley Air Force Base.
25 April 2012, 07:25 PM ET
This up close and personal look at the gas giants and their moons was stitched together by Sander van den Berg using imagery captured by NASA's Voyager and Cassini spacecrafts. Van den Berg named the black and white piece 'Outer Space'.
25 April 2012, 11:27 AM ET
See these amazing skywatching photos of Venus and the crescent moon in April 2012.
24 April 2012, 06:03 AM ET
Pretend you were on Apollo 8 while watching this new video recreating the famous "Earthrise" view.
20 April 2012, 02:49 PM ET
The giant planet will be lost in the sunset glow after Sunday.
09 April 2012, 05:00 PM ET
Astrophotographer captures beautiful image of the moon and Venus in conjunction over Gobustan National Park in Azerbaijan.
06 April 2012, 11:24 AM ET
Catch the moon and Saturn meeting up with the star Spica in the sky Friday and Saturday.
06 April 2012, 07:00 AM ET
The moon cycle helps determine the date of Easter, which is a complicated process.
04 April 2012, 12:00 PM ET
Jupiter, the moon and Venus align over a shining castle in skywatcher’s photo.
04 April 2012, 07:00 AM ET
A new study should help future missions determine how deep to dig for life on Europa.
04 April 2012, 07:00 AM ET
A rotating cast of temporary minimoons join the iconic body beloved by poets and romantics.
03 April 2012, 11:00 AM ET
The new moon will leave the skies dark and great for viewing.
31 March 2012, 01:59 PM ET
From water on Mars to fake feline astronauts, it's been a busy week in space. Vote for the week's best space story.
29 March 2012, 04:07 PM ET
Permanently shadowed craters near the moon's poles likely hold vast stores of water ice.
26 March 2012, 06:10 AM ET
The idea that a protoplanet called Theia formed the moon is under question.
22 March 2012, 04:45 PM ET
The Messenger spacecraft began a one-year bonus mission at Mercury, and the twin Grail probes will get 90 more days at the moon.
20 March 2012, 06:12 PM ET
Io is the most volcanically active object in the solar system.
15 March 2012, 07:00 AM ET
Photos from NASA's Lunar Reconnaissance Orbiter animate videos showing the moon in a whole new light.
14 March 2012, 08:28 PM ET
The nation also wants to send spacecraft to Venus, Mars and Jupiter by 2030.