30 April 2013, 04:56 PM ET
Artist's concepts illustrate how gravity waves might spread through the universe.
30 April 2013, 01:27 PM ET
See sky maps for the most promising night sky events of May 2013.
29 April 2013, 02:21 PM ET
See photos of the amazing X-15 rocket plane that pioneered human spaceflight in the 1960s
29 April 2013, 11:19 AM ET
Virgin Galactic's SpaceShipTwo fired up its rocket motor in flight for the 1st time on April 29, 2013. See the photos.
29 April 2013, 11:00 AM ET
See photos of Virgin Galactic's private spacecraft, SpaceShipTwo, as it undergoes testing for future space tourism flights.
27 April 2013, 08:06 AM ET
From the glowing pink moon to a recycling galaxy, don't miss these amazing space photos of the week.
25 April 2013, 11:03 AM ET
See photos of the partial lunar eclipse and full moon of April 25, 2013.
24 April 2013, 06:55 PM ET
See amazing views of the sun from NASA's Solar Dynamics Observatory, which snaps HD solar photos 24/7.
24 April 2013, 12:00 PM ET
See launch photos for Russia's Progress 51 (M-19M) cargo ship bound for the International Space Station.
24 April 2013, 10:30 AM ET
Take a tour of the robot cargo ship fleet for the International Space Station in this spaceship photo tour.
23 April 2013, 01:03 PM ET
In the new movie "After Earth," Jaden Smith his father Will Smith team up to battle Earth in the far distant future.
23 April 2013, 12:27 PM ET
SpaceX's Grasshopper rocket is a 10-story Vertical Takeoff Vertical Landing (VTVL) designed to return rockets for reuse.
22 April 2013, 01:49 PM ET
See photos of the 2013 Lyrid meteor shower.
22 April 2013, 09:42 AM ET
See amazing views of the Earth from space in this NASA gallery of satellite photos.
21 April 2013, 05:19 PM ET
From new superearths to a stunning view of the horsehead nebula, don't miss these amazing space photos of the week.
21 April 2013, 05:19 PM ET
See photos of Orbital Sciences' first Antares rocket ahead of its April 2013 test flight.
19 April 2013, 01:50 PM ET
Artist Thierry Cohen imagines what the night skies of the world's largest cities could be like sans light pollution.
19 April 2013, 11:23 AM ET
Expedition 35 flight engineers Pavel Vinogradov and Roman Romanenko worked outside the International Space Station on April 19, 2013.
19 April 2013, 06:50 AM ET
Russia's new Bion-M spacecraft will send small animals and microorganisms into space for research.
18 April 2013, 02:37 PM ET
NASA's Kepler spacecraft has discovered three new possibly habitable super-Earth planets.
18 April 2013, 06:00 AM ET
See amazing artists' illustrations of exoplanets discovered by the Kepler spacecraft.
17 April 2013, 09:36 AM ET
Where viewers in and around Washington, D.C., should look to spot the Antares rocket launch on April 21, 2013.
14 April 2013, 11:40 AM ET
From dazzling solar flares to tears in space, don't miss these amazing space photos of the week.
13 April 2013, 09:19 PM ET
See rocket launch photos from NASA's Wallops Flight Facility.
12 April 2013, 11:07 PM ET
All work and no play makes Chris Hadfield of Expedition 34/35 aboard the International Space Station a dull space station commander.
12 April 2013, 09:32 AM ET
See photos of Russia's new Vostochny Space Launch Center, which will host the first manned launches from Russian soil.
12 April 2013, 06:04 AM ET
On April 12, 1961, cosmonaut Yuri Gagarin became the first person in space. See photos of the historic flight of Vostok 1.
12 April 2013, 05:58 AM ET
Photos of NASA's first space shuttle launch STS-1 aboard Columbia on April 12, 1981.
11 April 2013, 04:25 PM ET
See photos from the Golden Spike Company, which plans to launch private manned trips to the moon.
10 April 2013, 11:00 PM ET
A look at North Korea's missile technology, as the secretive nation prepares for a controversial satellite launch this month.
10 April 2013, 10:43 PM ET
The scene was lively at the 29th annual gathering of the world's space industry leaders.
10 April 2013, 01:32 PM ET
See photos of NASA’s space exploration goals in 2014.