20 September 2014, 03:00 AM ET
Thick clouds and rain forced the private spaceflight company SpaceX to postpone the planned launch of an unmanned Dragon cargo ship for NASA on Saturday (Sept. 20). The mission will now launch to the International Space Station on Sunday, Sept. 21.
19 September 2014, 03:24 PM ET
A privately built SpaceX Dragon capsule is counting down to launch a big haul of cargo into space for NASA early Saturday (Sept. 20), and you can watch the liftoff live online. Here's how.
19 September 2014, 12:44 PM ET
The first-ever item to be 3D printed in space is being kept a well-guarded secret. The first 3D printer designed to operate in zero-g is set to launch to the space station to learn if 3D printing is viable in orbit. But what will it print first?
19 September 2014, 10:00 AM ET
Dragon will lift off atop SpaceX's Falcon 9 v1.1 rocket at 2:16 a.m. EDT Saturday from Florida. Dragon will fly nearly parallel to the U.S. East Coast, so the launch should be visible in varying degrees along much of the Eastern Seaboard.
18 September 2014, 03:29 PM ET
SpaceX is due to bring some strange things to the space station this weekend: the first 3D printer to leave the plant, a batch of mutant fruit flies, a wind-watching radar, 20 mice and a mouse X-ray machine.
17 September 2014, 04:00 PM ET
NASA astronauts should be able to hitch a ride to space aboard space taxis built by private two companies in the next three years, and reactions are strong.
17 September 2014, 03:44 PM ET
United Launch Alliance (ULA) and the private spaceflight company Blue Origin are going to fund the development of Blue Origin's new BE-4 liquid rocket engine, representatives with both companies revealed today (Sept. 17).
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, 05:04 PM ET
The SpaceX Dragon Version 2 will be put through test flights and eventually fly crewed operational missions to the International Space Station. SpaceX's contract with NASA is in its final phase of certification. Full Story: http://goo.gl/5EQVlY
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, 10:28 AM ET
NASA is expected to make a huge human spaceflight announcement today during a news briefing, and you can watch it live online.
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, 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.
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, 07:25 AM ET
NASA has chosen four private companies to fly experiments high into Earth's atmosphere.
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, 04:03 PM ET
British soprano Sarah Brightman will begin training in January for a 2015 visit to the International Space Station.
07 September 2014, 12:46 PM ET
What was your favorite space news story of the last week?
07 September 2014, 06:00 AM ET
SpaceX's Falcon 9 rocket lifted off from Cape Canaveral Air Force Station in Florida at 12:50 a.m. EDT (0450 GMT) Sunday, carrying the AsiaSat 6 satellite into space for Hong Kong-based firm AsiaSat.
06 September 2014, 11:56 AM ET
From Comet Jacques to a coronal mass ejection, don't miss these amazing space images of the week for Sept. 6, 2014.
05 September 2014, 06:50 AM ET
The Netherlands-based nonprofit Mars One, which aims to land four astronauts on the Red Planet in 2025, announced today (Sept. 4) that it's raffling off a round-trip suborbital flight aboard XCOR Aerospace's Lynx rocket plane.
02 September 2014, 04:30 PM ET
The 3D printer, which is scheduled to launch toward the orbiting lab Sept. 19 aboard SpaceX's unmanned Dragon cargo capsule, could help lay the foundation for an in-space manufacturing economy, agency officials say.