17 September 2014, 09:31 AM ET
The CST-100 spacecraft will be put through test flights and eventually fly crewed operational missions to the International Space Station. Boeing's contract with NASA is in its final phase of certification.
17 September 2014, 07:47 AM ET
Tapping SpaceX and Boeing to fly American astronauts to and from the International Space Station should free NASA up to work on sending people to Mars, agency officials say.
17 September 2014, 12:05 AM ET
The Wide Field Imager (WFI) on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile captured this space wallpaper of dark cloud Lupus 4 blotting out background stars.
16 September 2014, 05:30 PM ET
The space agency has been working with industry partners to develop a crew transport systems since 2010. The work from the past 4 years are highlighted.
16 September 2014, 04:09 PM ET
NASA has tapped the private spaceflight companies SpaceX and Boeing to build and test commercial spacecraft for ferrying American astronauts to and from the International Space Station.
16 September 2014, 02:20 PM ET
Who will be responsible for flying Americans to the International Space Station by 2017? Today, NASA could announce which private spaceflight company (or companies) officials have selected to move ahead toward developing an astronaut taxi service.
16 September 2014, 10:47 AM ET
NASA's new 'Flight Operations' emblem has a long history dating back decades. As now displayed in Mission Control, NASA's 'Flight Operations' logo succeeds the prior 'Mission Operation' insignia.
16 September 2014, 10:28 AM ET
NASA is expected to make a huge human spaceflight announcement today during a news briefing, and you can watch it live online.
16 September 2014, 07:04 AM ET
Look out, astronauts – your companion robot on the International Space Station is mobile! NASA's Robonaut 2 has received a new set of legs to allow it to do repairs both inside and outside the station, eventually.
16 September 2014, 07:00 AM ET
The crew of NASA Extreme Environment Mission Operations (NEEMO) 19 lived in the Aquarius lab, which is located 62 feet (18 meters) beneath the waves just off the coast of Key Largo, Florida. Their week-long mission wrapped up Sunday (Sept. 14).
15 September 2014, 02:59 PM ET
Andy Sullivan won a free ride aboard XCOR Aerospace's Lynx rocket plane after acing the par-3 15th hole Sunday (Sept. 14) during the final round of the KLM Open in the Netherlands.
15 September 2014, 12:04 PM ET
An astronaut-led, private spaceflight training group, has launched a crowd-funded contest to redefine the 'right stuff' by awarding trips to space in return for the impact those who go can make to the world.
15 September 2014, 11:46 AM ET
The private spaceflight company SpaceX is planning to launch their fourth official unmanned resupply mission to the International Space Station this week.
15 September 2014, 10:15 AM ET
NASA officials unveiled a huge new tool that will help them build the space agency's next mega rocket.
15 September 2014, 06:00 AM ET
SpaceX continues to make strides with its entry in NASA's commercial crew competition, a seven-passenger capsule called Dragon. The company is planning two big tests of Dragon's launch-abort system, one in November and the other in January.
14 September 2014, 10:41 AM ET
Less than a month after saying he'd be "bitterly disappointed" if Virgin Galactic flights don't start by the end of the year, Richard Branson admits that we'll need to wait a little longer.
14 September 2014, 12:06 AM ET
What was your favorite space news story of the last week?
13 September 2014, 10:51 AM ET
From a colorful map of Rosetta Probe's comet target to a video of a trash-filled spaceship's fiery demise, don't miss these amazing space images of the week for Sept. 13, 2014.
13 September 2014, 09:30 AM ET
NASA's first Orion space capsule, designed to carry astronauts to deep-space destinations, is ready for fueling ahead of its debut test flight in December.
11 September 2014, 12:00 PM ET
Former NASA astronaut Frank Culbertson, who was in space on Sept. 11, 2001, reflects on witnessing the attacks from orbit 13 years later.
11 September 2014, 07:00 AM ET
Call him the Instagram astronaut. NASA astronaut Steve Swanson has been beaming back incredible views from the International Space Station via Instagram since he flew up to the orbiting outpost about six months ago.
11 September 2014, 07:00 AM ET
The U.S. Air Force is using a new tool in its effort to preserve space history: lasers. The 45th Space Wing is using a laser scanner to create virtual models of the Cape Canaveral space launch complexes in partnership with the University of South Florida.
11 September 2014, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in August 2014.
10 September 2014, 10:30 PM ET
A Russian Soyuz capsule carrying American Steve Swanson, commander of the orbiting lab's Expedition 40, and cosmonauts Alexander Skvortsov and Oleg Artemyev touched down safely on the steppes of Kazakhstan at 10:23 p.m. EDT Wednesday.
10 September 2014, 09:59 PM ET
Buzz Aldrin, whose accolades include being the second out of only 12 astronauts to walk on the moon, can now add being one of the 25 greatest guest stars on 'The Simpsons,' at least as immortalized in a new line of toy action figures.
10 September 2014, 10:53 AM ET
A trio of space travelers will return to Earth tonight (Sept. 10) to end a months-long expedition to the International Space Station, and you can watch the landing live online. The crew is due to land at 10:23 p.m. EDT (0223 GMT).
10 September 2014, 06:45 AM ET
The European Space Agency's Cooperative Adventure for Valuing and Exercising human behaviour and performance Skills (CAVES) course, which helps astronauts and support staff prepare for the rigors of a space mission, kicked off this week in Italy.
09 September 2014, 02:49 PM ET
When a private spaceship was cremated over Earth earlier this summer, the astronauts living and working on board the International Space Station had a stunning view of the vehicle's fiery demise.
09 September 2014, 10:32 AM ET
A new wristwatch designed to be worn by the future crewmembers of a commercial space station has received the signature of approval of a former NASA astronaut.
09 September 2014, 06:30 AM ET
The private spaceflight company Boeing has been hard at work designing a capsule that could deliver NASA astronauts to the International Space Station sometime in the next three years.
08 September 2014, 08:08 PM ET
When Elena Serova arrives at the International Space Station to become its first female cosmonaut crewmember on Sept. 25, she plans to treat the mission as routine — at least, as routine as a spaceflight can be.
08 September 2014, 04:23 PM ET
A new NASA instrument expected to launch to space later this month will help scientists study the Earth in a new way from the International Space Station.