21 August 2012, 01:48 PM ET
Einstein's General Theory of Relativity predicts that in the 'big picture' of the universe, matter is scattered randomly. Australian astronomers conducted the largest ever survey of galaxies on this scale to prove that his theory was correct.
20 August 2012, 10:53 AM ET
In 1988, intense fires burned down more than one-third of the forests in Yellowstone National Park. Even after more than two decades, Landsat satellites can still distinguish the burn scars left by the fires from healthy forests and new growth.
10 August 2012, 10:46 AM ET
See photos from the failed free flight test of NASA's Morpheus lander.
03 August 2012, 09:26 AM ET
The selected companies are Sierra Nevada, Boeing and SpaceX.
09 July 2012, 02:45 PM ET
See artists' conceptual images of DARPA's proposed Phoenix program to re-use existing satellites in orbit.
17 June 2012, 09:02 AM ET
See the most amazing space images of the week, including a robot space plane landing and amazing galaxy line-up.
02 June 2012, 07:25 AM ET
From complete coverage of SpaceX splashing down in the Pacific to John Glenn awarded the Medal of Freedom, it's been a thrilling 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.
15 April 2012, 07:27 AM ET
From an expedition to explore auroras to sun's sibling stars, it's been a busy week in space.
04 April 2012, 07:35 AM ET
The Delta 4 rocket launched the new NROL-25 spy satellite into orbit.
21 March 2012, 01:52 PM ET
See stunning views of Jupiter's moon Io and its many volcanoes.
17 March 2012, 02:35 AM ET
See amazing views of moons in our universe, the largest planet, music in space and more in our top space photos for the week of March 17, 2012.
04 March 2012, 07:14 AM ET
From asteroids to aliens and flights into space, vote for the week's best space story.
01 March 2012, 12:00 AM ET
Spectacular images every day.
18 February 2012, 07:56 AM ET
See amazing photos of rocket launches, northern lights, nebulas and more from the week in space.
14 February 2012, 10:24 AM ET
The photo was taken by astronomer Julien Girard at the European Southern Observatory in Chile.
29 January 2012, 12:00 AM ET
Spectacular images every day.
16 January 2012, 12:04 PM ET
The art of E.L. Trouvelot reveals sunspots, auroras, comets and more.
04 January 2012, 03:24 PM ET
The annual Quadrantid meteor shower did not disappoint skywatchers on Jan. 4.
01 January 2012, 12:00 AM ET
The far side.
29 December 2011, 10:00 AM ET
The year 2011 was a huge one for space photography. Take a look at 50 of the best images of the year and vote now!
29 December 2011, 07:00 AM ET
The Red Sea has a new inhabitant: a smoking island.
28 December 2011, 07:00 AM ET
The Cassini spacecraft captured shots of Titan, Dione and Enceladus.
24 December 2011, 09:44 AM ET
Amazing views of a comet, Saturn's moons, auroras and more made this week's top space photos list.
20 December 2011, 08:16 PM ET
The Mars Reconnaissance Orbiter has taken amazing imagery of the frozen surfaces of Mars. Take in the breathtaking sights on this holiday tour aboard Santa's "Red Planet" sleigh.
18 November 2011, 04:27 PM ET
Past, present and future space objects are highlighted in this new American Museum of Natural History show.
27 October 2011, 02:00 PM ET
See amazing views of asteroid 21 Lutetia from the July 2010 flyby of Europe's Rosetta probe.
11 October 2011, 12:14 PM ET
Each day we highlight a spectacular picture from space. See space exploration photos, astronaut pictures and more in our Image of the Day galleries.
06 October 2011, 05:00 AM ET
Comet Garradd is vsible in binoculars and small telescopes through October.
05 October 2011, 09:00 AM ET
See stunning close-up photos of Comet Hartley 2 from the Nov. 4, 2010 flyby of NASA's Deep Impact spacecraft.
05 October 2011, 07:08 AM ET
The photo could be a scene from a science fiction movie, but it's actually real.
07 September 2011, 11:42 AM ET
Astronauts on the International Space Station spotted wildfires raging in Texas.