23 August 2013, 07:00 AM ET
A look at NASA's Asteroid Initiative, which aims to park a space rock near the moon.
23 August 2013, 07:00 AM ET
One of NASA's most audacious plans for the future is a mission to capture an asteroid and tug it back toward Earth so astronauts could visit it. This proposal is illustrated in captivating new detail in a series of images and video released by NASA today.
23 August 2013, 06:30 AM ET
The aerospace industry has long sought to build a fully reusable rocket launch system to bring down the cost of ferrying people and payloads into orbit. What does it take to create one?
23 August 2013, 06:00 AM ET
The DC-X (Delta Clipper Experimental) was a prototype for a reusable space launch vehicle tested in the 1990s. See how fully reusable launch vehicles are envisioned to work in this SPACE.com infographic.
22 August 2013, 02:38 PM ET
See photos and images of Russian cosmonauts Fyodor Yurchikhin and Alexander Misurkin spacewalking outside the International Space Station on Aug. 22, 2013.
22 August 2013, 02:08 PM ET
A misaligned piece of gear on the International Space Station caused headaches in orbit for two spacewalking cosmonauts today (Aug. 22), but they ultimately triumphed and even managed to celebrated Russia's Flag Day with orbital style.
22 August 2013, 12:44 PM ET
A new documentary profiles the people who are willing to make the ultimate sacrifice: leaving Earth on a one-way trip to Mars. The film, "One Way Astronaut," tells the story of the Mars One mission to send humans to Mars starting in 2023.
22 August 2013, 10:57 AM ET
Retired NASA astronaut Gordon Fullerton passed away on August 21, 2013 and is remembered for his service piloting test flights of shuttle Enterprise, flying into space on Columbia and commanding a flight of shuttle Challenger.
22 August 2013, 10:31 AM ET
Gordon Fullerton, an Apollo-era NASA astronaut who was among the first test pilots to fly the space shuttle, died on Wednesday (Aug. 21), three years after suffering a stroke that left him partially paralyzed. He was 76.
22 August 2013, 10:19 AM ET
Astronaut Luca Parmitano's second spacewalk on the International Space Station ended early when his spacesuit's helmet began filling with water. In this video Luca explains what it felt like to have water surround his head in zero-g.
22 August 2013, 09:53 AM ET
When an unidentified flying object floats by the International Space Station, astronauts are going to notice. NASA astronaut Chris Cassidy captured a video of an 'unidentified object' near the space station on Aug. 19. See it here.
22 August 2013, 09:52 AM ET
Apollo 13 astronauts practice their moonwalk at the Kennedy Space Center before the lunar mission.
22 August 2013, 07:48 AM ET
Two Russian cosmonauts living on the International Space Station are taking their second spacewalk in less than a week today (Aug. 22) and you can watch it online. Fyodor Yurchikhin and Alexander Misurkin will spend six hours outside.
22 August 2013, 06:50 AM ET
NASA will reactivate an asteroid-hunting spacecraft next month to help identify potentially dangerous space rocks and flag candidates for the agency's ambitious asteroid-retrieval mission, officials announced Wednesday (Aug. 21).
21 August 2013, 11:06 PM ET
China is pressing forward on its human space exploration plans, intent on establishing an international space station and, experts say, harnessing the technological muscle to send its astronauts to the moon.
21 August 2013, 05:12 PM ET
Lt. Commander and AsCan (Astronaut Candidate) Victor Glover recited the limerick he wrote for his astronaut application at a press conference for NASA's new team of astronauts.
21 August 2013, 04:32 PM ET
Becoming an astronaut is one of the most difficult careers to achieve, but one requirement for the new recruits may surprise you — poetry.
21 August 2013, 09:14 AM ET
The Lunar Landing Research Vehicle simulates a lunar landing from a near maximum altitude over Edwards Air Force Base.
21 August 2013, 05:46 AM ET
Warp drive technology, a form of 'faster than light' travel popularized by TV's 'Star Trek,' could be bolstered by the physics of quantum thrusters — another science fiction idea made plausible by modern science.
20 August 2013, 07:41 PM ET
The "8 Balls" have landed in NASA's center pocket. Eight new astronaut candidates — nicknamed the "8 Balls" — were welcomed to Johnson Space Center in Houston, where they will begin two years of basic training.
20 August 2013, 02:48 PM ET
NASA’s eight newest astronauts, the class of 2013, hope to explore strange new worlds aboard 21st century spacecraft. Take a quick look at America’s newest space travelers.
20 August 2013, 02:13 PM ET
When it comes to human missions to an asteroid and Mars, NASA can't go it alone, the space agency's administrator said today (Aug. 20).
20 August 2013, 09:44 AM ET
Navy swimmers assist the Apollo 13 crew after splashdown.
19 August 2013, 05:17 PM ET
NASA astronaut Chris Cassidy radioed Mission Control to report an ‘unidentified object’ floating outside the International Space Station on Aug. 19, 2013. Was it a UFO? No, NASA says, just an antenna cover from the station’s Russian segment.
19 August 2013, 02:53 PM ET
A privately built space plane successfully completed a series of key tests earlier this month, as part of an ongoing effort to judge the winged vehicle's ability to one day carry astronauts to and from the International Space Station.
19 August 2013, 09:43 AM ET
Dawn breaks as the ASTP Saturn IB launch vehicle undergoes the Countdown Demonstration Test.
19 August 2013, 06:00 AM ET
A newly announced contest asks students to propose design concepts for the Inspiration Mars mission, a private effort that aims to launch two astronauts on a close flyby of the Red Planet in January 2018.
19 August 2013, 06:00 AM ET
The X1 Robotic Exoskeleton, which NASA is co-developing with several partners, could give superhuman strength to people on long-duration space missions to an asteroid or Mars, or act as a "resistive device" for exercising, agency officials say.
18 August 2013, 09:00 AM ET
What was your favorite space news story of the last week?
18 August 2013, 07:00 AM ET
NASA's only set of twin astronauts have plans for 2015 that will have scientists seeing double. As Scott Kelly flies in space on a year-long mission, his twin brother Mark will remain on Earth and act as a control for comparison experiments.
17 August 2013, 08:08 AM ET
Cosmonauts Fyodor Yurchikhin and Alexander Misurkin set a new record for the longest Russian spacewalk on Friday (Aug. 16), spending more than seven hours working outside the International Space Station. They primed the station for a new lab.
17 August 2013, 08:00 AM ET
The private spaceflight firm SpaceX has notched a key milestone in its quest to launch humans to orbit, just three days after company founder and CEO Elon Musk unveiled his futuristic "Hyperloop" transportation concept to the world.