26 March 2015, 05:54 PM ET
An American astronaut and Russian cosmonaut are set to make history as the first crewmembers to spend a year onboard the International Space Station, but the two are not the first to log 12 months off the planet.
26 March 2015, 08:01 AM ET
NASA has a lot of questions about what happens to people who live in space for long periods of time, and it's almost time to get some answers.
26 March 2015, 08:00 AM ET
An astronaut and a cosmonaut spend an entire year aboard the ISS to provide data on the health implications of space travel.
26 March 2015, 07:00 AM ET
The National Space Biomedical Research Institute Industry Forum has funded three companies as part of its "Vision for Mars" challenge, which seeks to mitigate the visual problems astronauts experience during long-term spaceflight.
25 March 2015, 04:22 PM ET
Scott Kelly's name tags were intended to be on the space station by now. The two blue and gold badges were among the items that NASA had arranged to send to the orbiting outpost ahead of Kelly launching on a yearlong expedition.
25 March 2015, 07:58 AM ET
Science experiments conducted on the International Space Station during the orbiting outpost's first yearlong mission could help open the door to deep space for NASA.
24 March 2015, 01:00 PM ET
Triton's surface is so cold, the ground is made of frozen nitrogen.
24 March 2015, 01:00 PM ET
An American astronaut is about to embark on the mother of all space missions. NASA's Scott Kelly is getting ready to fly up to the International Space Station Friday (March 27) for a yearlong mission that will test his endurance like never before.
23 March 2015, 03:48 PM ET
NASA's Scott Kelly and cosmonaut Mikhail Kornienko will kick off the first yearlong International Space Station mission when they launch to the orbiting outpost on March 27, 2015.
23 March 2015, 07:00 AM ET
An American astronaut and two cosmonauts are set to fly up to the International Space Station Friday (March 27), and two of those crewmembers won't be back on Earth for about a year on a mission that aims to help open the doorway to deep space for Earthli
21 March 2015, 04:00 PM ET
From St. Patrick's day in space to a spectacular solar eclipse, don't miss these amazing space images of the week for March 21, 2015.
20 March 2015, 12:00 PM ET
Astronauts hoping to sip drinks in style may soon have a cocktail glass concept to look forward to. The Zero Gravity Cocktail Project is aiming to create an open-top glass that can be used in microgravity, using an innovative "groove system" that would ke
19 March 2015, 06:36 PM ET
The delay was necessitated by a lack of investment funding, which has slowed work on a robotic precursor mission that Mars One had wanted to send toward the Red Planet in 2018, Mars One CEO Bas Lansdorp said in a new video that posted March 19.
19 March 2015, 07:00 AM ET
NASA officials viewed Bigelow Aerospace's Bigelow Expandable Activity Module (BEAM) at the company's facility in Las Vegas on March 12. BEAM is scheduled toward the International Space Station atop SpaceX's Falcon 9 booster later this year.
18 March 2015, 05:08 PM ET
Virgin Galactic opened its latest commercial spaceflight facility this month to build a new rocket capable of launching small satellites into orbit.
18 March 2015, 03:50 PM ET
An Antarctic crew plans to simulate spaceflight during the long, cold winter to better understand how humans adapt to space.
18 March 2015, 12:45 PM ET
It lasted just 12 minutes and 9 seconds, but the first spacewalk — 50 years ago — took the first steps towards shaping the future of space exploration. Soviet cosmonaut Alexei Leonov became the first person to leave his craft.
18 March 2015, 07:00 AM ET
Sierra Nevada Corp. today (March 17) unveiled the autonomous cargo version of its Dream Chaser space plane, which the company hopes NASA chooses to fly the next round of cargo missions to the orbiting lab.
17 March 2015, 10:00 PM ET
For about 50 years, humanity has sent orbiters, probes and landers to the Red Planet. Here's a look at all of the missions to Mars to date, both the successes and the failures.
17 March 2015, 05:49 PM ET
A new documentary is launching audiences on a 'Journey to Space.' Narrated by actor Patrick Stewart, the giant-screen 3D film is showcasing NASA's future spaceflight plans at visitor centers and space museums, with more venues to be added throughout 2015.
17 March 2015, 08:21 AM ET
NASA astronaut Ron Garan spent nearly 200 days in space, and now, he's written a book about his experiences.
16 March 2015, 04:52 PM ET
Titania, an airless moon of Uranus, is cold and its day is 84 years long. See what it would be like for astronauts on Titania in this Space.com infographic.
16 March 2015, 03:43 PM ET
China is reporting new progress in shaking out procedures required for rocketing back to Earth samples from the Moon.
16 March 2015, 03:31 PM ET
Three Expedition 42 crew members will fly aboard a Soyuz TMA-15M rocket scheduled to launch from Baikonur Cosmodrome in Kazakhstan to the International Space Station
16 March 2015, 01:55 PM ET
NASA captured some amazing photos of three International Space Station crewmembers returning to Earth after a 167-day space mission.
16 March 2015, 08:10 AM ET
Representatives with XCOR Aerospace — the company responsible for developing the Lynx space plane — announced today (March 16) that John "Jay" Gibson will head up the commercial spaceflight company.
14 March 2015, 12:32 PM ET
From a monster solar flare to a spectacular night launch, don't miss these amazing space images of the week for March 15, 2015.
13 March 2015, 05:48 PM ET
It took 200 astronauts 13 years to complete the International Space Station (ISS). Now, 4,500 people may be able to do the same in less than 50 days — sort of. A fan-designed LEGO version of the station has passed the halfway mark to being reviewed for sa
12 March 2015, 12:50 PM ET
Lockheed hopes the system — which features a space tug known as Jupiter and a supply module called Exoliner — wins a NASA contract for the next round of cargo missions to the space station. But the company's ambitions extend beyond Earth orbit.
11 March 2015, 11:40 PM ET
Three crewmembers are safely back on Earth after a six-month mission on the International Space Station.
11 March 2015, 06:50 PM ET
Three International Space Station crewmembers — including one NASA astronaut — are on their way back to Earth today (March 11) after a nearly six-month stint aboard the orbiting outpost.
11 March 2015, 12:33 PM ET
The world's largest solid rocket motor roared to life in Utah, but rather than lifting off the ground, the booster, laying on its side, was restrained in place as data was collected to qualify it for NASA's Space Launch System.
11 March 2015, 11:00 AM ET
NASA's new rocket, the Space Launch System, represents the most powerful rocket ever built. The rocket's booster fired in a test on March 11, 2015, in Utah.
11 March 2015, 07:03 AM ET
NASA will test-fire the booster of its Space Launch System (SLS) megarocket today at 11:30 a.m. EDT, and three astronauts will return to Earth from the International Space Station in the evening. Watch all the action live here at Space.com.
11 March 2015, 04:00 AM ET
A look at some of the records people have set during spaceflight.
10 March 2015, 03:10 PM ET
Sarah Brightman will be 'chasing dreams' and 'shaping futures' when she launches on a self-funded trip to the International Space Station in September, the soprano said as she revealed her personal mission patch at a press conference in London.