31 August 2012, 04:26 AM ET
Thought to be called "blue" after an old english term meaning "betrayer," a Blue Moon is an extra full moon that occurs due to a quirk of the calendar.
30 August 2012, 10:35 AM ET
The online Slooh Space Camera will broadcast live views of Friday's full moon.
29 August 2012, 02:38 PM ET
In this space wallpaper, the Moon appears large because it is seen close to the horizon and our perception is deceived by the proximity of references on the ground.
29 August 2012, 11:26 AM ET
Far away from light pollution and high up in the Sierra Nevada mountain range, Yosemite National Park's stunning views of the night sky and majestic natural wonders attract astronomers, photographers and city dwellers from around the country.
29 August 2012, 07:00 AM ET
Blue moons are not really blue. And they're not all that rare, either.
27 August 2012, 07:00 AM ET
The next blue moon won't come until July 2015.
25 August 2012, 12:19 AM ET
See historic photos from NASA's Apollo program to put humans on the moon in the 1960s and early 70s.
23 August 2012, 11:28 AM ET
This early morning shot of the iconic salt march captures the crescent moon with Jupiter and Venus.
15 August 2012, 08:02 PM ET
The results confirm observations made 40 years ago on the lunar surface.
13 August 2012, 10:41 AM ET
Moon phases are not caused by the shadow of the Earth falling on the moon.
09 August 2012, 10:19 PM ET
See sky maps to help spot the skywatching events of August 2012.
09 August 2012, 05:30 PM ET
Serene morning image features the crescent moon, Taurus, Jupiter and Venus.
03 August 2012, 01:09 AM ET
Stunning full moon rises over Paris in new night sky photo.
01 August 2012, 07:00 AM ET
August offers a rare skywatching treat: two full moons.
27 July 2012, 03:31 PM ET
A rare blue moon is coming up next month.
12 July 2012, 03:59 PM ET
Former Google Books engineering head Jimi Crawford has joined the Moon Express team.
12 July 2012, 02:02 PM ET
On July 15th, 2012, Earth's Moon will occult Jupiter and its four largest moons – Europa, Io, Callisto and Ganymede – blocking them from skywatchers' views.
11 July 2012, 10:20 AM ET
Take a tour of our solar system with us – from the sun to the furthest dwarf planets! Come on, it can't hurt!
08 July 2012, 07:00 AM ET
What was your favorite space news story of the last week? Vote Now!
06 July 2012, 05:13 PM ET
From July through August, planet groupings in the pre-dawn and dusk skies will impress skywatchers around the world.
06 July 2012, 07:00 AM ET
A massive full moon looms over Paris in a spectactular photo by photographer VegaStar Carpentier.
02 July 2012, 04:09 PM ET
A UH-60 (NASA 750) RASCAL helicopter with IR camera mount on NASA Ames Research Center’s flightline under "Blue" Moon on Aug. 31, 1993 in this amazing space wallpaper.
30 June 2012, 12:01 AM ET
The moon's pull is slowing down Earth's rotation.
27 June 2012, 07:01 AM ET
This week's night sky offers a special trio of treats.
26 June 2012, 12:21 PM ET
Lunar soil hovers above the moon's surface and is incredibly sticky and abrasive.
25 June 2012, 07:00 AM ET
But starting up the off-Earth economy won't happen overnight.
20 June 2012, 11:02 AM ET
The moon, once thought to be bone dry, has now been shown to harbor significant water.
12 June 2012, 11:46 AM ET
S/2010 J 2 is barely 1 mile across.
12 June 2012, 07:00 AM ET
The new map raises as many questions about the mysterious moon as it answers.
09 June 2012, 07:00 AM ET
Plane greets crescent moon in a surprise in this night sky photo by photographer Vegastar Carpentier.
04 June 2012, 10:29 AM ET
See amazing views of the partial lunar eclipse of June 4, 2012.
04 June 2012, 10:00 AM ET
See images of the moon passing partially within the Earth's shadow on June 4, 2012.
03 June 2012, 06:00 AM ET
The lunar eclipse will be visible throughout much of North America.
24 May 2012, 03:24 PM ET
The Google Lunar X Prize will abide by NASA rules to protect important lunar artifacts.
23 May 2012, 03:15 PM ET
Wednesday and Thursday offer a great chance for skywatchers to observe the unlit areas of the moon.
20 May 2012, 02:07 AM ET
See a list of many webcasts for today's solar eclipse from around the world.