14 May 2013, 07:34 AM ET
See photos of the major X-class solar flares of May 2013 as seen by sun-watching spacecraft.
14 May 2013, 06:59 AM ET
The giant solar flare late Monday (May 13), the strongest yet of 2013, is the the third major sun storm in 24 hours.
14 May 2013, 06:30 AM ET
Skylab II could be the United States' first deep-space station.
14 May 2013, 06:28 AM ET
America's first space station paved the nation's way to long-duration spaceflight, astronauts say
14 May 2013, 06:00 AM ET
The orbital workshop was designed and built at NASA's Marshall Space Flight Center in Huntsville, Ala.
13 May 2013, 11:09 PM ET
See the remains of Skylab, NASA's first space station, in Australia as captured by veteran space photographer Ben Cooper.
13 May 2013, 10:32 PM ET
Three astronauts who spent nearly five months on board the International Space Station have made it safely back to Earth.
13 May 2013, 10:07 PM ET
The ISS commander and his expedition 35 crewmates Roman Romanenko and Tom Marshburn were pulled from their Soyuz capsule by ground crew on May 14th, 2013 (Kazakhastan time).
13 May 2013, 10:00 PM ET
See photos of the Soyuz spacecraft landing returning the Expedition 35 crew to Earth on May 13-14, 2013.
13 May 2013, 09:40 PM ET
Commander Chris Hadfield, Soyuz Commander Roman Romanenko and Flight Engineer Tom Marshburn landed in Kazakhstan at 10:31. Their Soyuz spacecraft landed right on time and upright after the crew spent 144 days on the ISS.
13 May 2013, 07:08 PM ET
Commander Chris Hadfield and two other spaceflyers are due to land late tonight.
13 May 2013, 05:32 PM ET
NASA's Maven mission will study the Martian upper atmosphere.
13 May 2013, 05:01 PM ET
Debris from the first American space station is on view near where it landed in Australia
13 May 2013, 04:37 PM ET
Astronomers used a new method to discover a planet orbiting another star.
13 May 2013, 04:37 PM ET
Only three poems will be selected to ride on the Maven orbiter, which is slated to launch in November.
13 May 2013, 04:17 PM ET
The plankton blooms occur most springs.
13 May 2013, 04:11 PM ET
The all-sky and wide-field cameras at Marshall Space Flight Center in Huntsville, Alabama delivered 2 different angles on an incoming object during the Eta Aquarid meteor shower on May 8th, 2013.
13 May 2013, 02:34 PM ET
A brief rundown on solar flares, their classification and their potential impacts on Earth.
13 May 2013, 02:12 PM ET
NASA and the NSF are facing ambitious goals with slashed budgets.
13 May 2013, 02:07 PM ET
The first x-class flare (X1.7) of year was soon followed by a second more powerful X2.8-class flare, separated by about 14 hours on May 13th, 2013. NASA's Solar Dynamics Observatory had its eyes fixed on the show.
13 May 2013, 01:39 PM ET
The shuttle Atlantis exhibit is due to open June 29.
13 May 2013, 01:00 PM ET
See amazing photos of the sun during the peak of solar activity in 2013.
13 May 2013, 12:48 PM ET
NASA's Solar Dynamics Observatory captured an X-1.7-class flare on May 13th, 2013 and STEREO-B recorded the ensuing coronal mass ejection. -- As an added bonus, a massive prominence erupted from near the southwestern limb of the Sun.
13 May 2013, 12:29 PM ET
The sun is firing off its strongest solar flares of the year as it edges closer to peak sun storm season.
13 May 2013, 10:20 AM ET
Chris Hadfield is saying his goodbyes to the International Space Station through song.