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.
08 March 2012, 03:52 PM ET
Skywatchers can spot the full moon, Venus, Jupiter, Mercury and perhaps even Uranus tonight.
08 March 2012, 10:22 AM ET
See our fantastic skywatcher-submitted photos of the moon and Mars close together in March 2012! Wow!
07 March 2012, 02:49 PM ET
A new study examines how the moon settled into its current synchronous orbit.
07 March 2012, 02:05 PM ET
The Grail probes' measurements should help scientists learn about the moon's structure and evolution.
07 March 2012, 10:22 AM ET
In this space wallpaper, sunlight reflects off the Earth and shines upon the moon, gaining the name "earthshine."
06 March 2012, 04:55 PM ET
This week offers a great view of two celestial heavyweights close together.
06 March 2012, 02:49 PM ET
In a new paper, astronomers claim that a rare alignment of the Earth, moon and sun caused extreme tides that dislodged the iceberg that sunk the Titanic 100 years ago. Other scientists are skeptical.
01 March 2012, 10:55 AM ET
A lot of kids are led to believe this idea.
01 March 2012, 10:19 AM ET
The first footprints put on the moon will probably be there a long, long time.
29 February 2012, 05:55 PM ET
The moon, or any object, can be measured by diameter or mass.
29 February 2012, 02:04 PM ET
The movie voice of the leader of the Transformers (Peter Cullen) narrates this NASA promotional film.
29 February 2012, 09:16 AM ET
Here are some of the highlights in the night skies over the next year.