08 October 2012, 06:58 AM ET
The proposed project is a joint effort of Europe and Russia.
28 September 2012, 03:31 PM ET
99% the diameter of Mercury but only a third of Mercury's mass, what lies beneath deep beneath Callisto's pockmarked surface may surprise you. And it's probably the best place to base future explorations of the Jupiter system.
28 September 2012, 01:00 PM ET
The Slooh Space Camera will be webcasting live feeds from observatories around the world.
28 September 2012, 06:57 AM ET
This month's full moon has traditionally helped farmers work late into the evening gathering their crop.
24 September 2012, 11:46 AM ET
The largest public meteorite auction ever held opens in Manhattan in October.
21 September 2012, 07:00 AM ET
Spectacular crescent moon hangs in night sky photo.
12 September 2012, 01:29 PM ET
Many people are puzzled when they can't find Earth's nearest neighbor in the evening sky.
12 September 2012, 10:53 AM ET
See amazing night sky photos taken by SPACE.com readers during September 2012.
05 September 2012, 07:00 AM ET
The moon will have close encounters with three celestial bodies this month.
05 September 2012, 12:06 AM ET
This space wallpaper captured the second full Moon of the month – known as a ‘blue’ Moon – just before it disappeared from the MSG-3 satellite’s sight behind the southern hemisphere.
04 September 2012, 10:41 AM ET
Amateur astronomer Peter Sonney captured this footage of Augusts' bright blue moon around 1:20 AM on Saturday, September 1st.
04 September 2012, 08:29 AM ET
International Observe the Moon Night is on September 22nd. The annual event inspired by the Lunar Reconnaissance Orbiter mission.
01 September 2012, 08:20 AM ET
Amazing photos of the Aug. 31, 2012 blue moon were captured by skywatchers all over Earth.
01 September 2012, 02:57 AM ET
A rare second Full Moon of the month, known as a "Blue Moon", is seen over Cincinnati on Friday, Aug. 31, 2012 in this amazing space wallpaper.
31 August 2012, 12:14 PM ET
A blue moon is the second full moon in a single month.
31 August 2012, 06:00 AM ET
It's the last chance to see a blue moon until July 2015.
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.