09 January 2015, 11:30 AM ET
Billionaire space entrepreneur Elon Musk of SpaceX says he will unveil his plan for a Mars Colonial Transport, spacesuits and more by the end of 2015. Get a glimpse of what Musk envisions for the Red Planet.
09 January 2015, 10:44 AM ET
NASA's CATS instrument — which is set to launch toward the orbiting lab early Saturday aboard SpaceX's robotic Dragon cargo capsule — will track clouds and tiny particles of dust, smoke and pollution in Earth's atmosphere that influence climate.
09 January 2015, 10:30 AM ET
SpaceX's Falcon 9 rocket is scheduled to launch the company's unmanned Dragon capsule from Florida's Cape Canaveral Air Force Station at 4:47 a.m. EST Saturday; forecasters are predicting an 80 percent chance of good weather.
08 January 2015, 07:05 AM ET
Sierra Nevada Corporation, which is building Dream Chaser, recently checked off a propulsion-system milestone laid out in the company's last commercial-crew contract with NASA, which was signed in 2012.
07 January 2015, 05:11 PM ET
SpaceX's Falcon 9 rocket and Dragon cargo capsule are now scheduled to blast off from Cape Canaveral Air Force Station in Florida at 4:47 a.m. EST Saturday. You can watch the launch live here on Space.com, beginning at 3:30 a.m. EST.
07 January 2015, 11:23 AM ET
SpaceX has passed NASA's "certification baseline review," which required the California-based company to outline exactly how it plans to ferry crews to and from the orbiting lab using Dragon and its Falcon 9 rocket.
05 January 2015, 07:45 PM ET
In a first for space flight, SpaceX will attempt to fly its Falcon 9 booster rocket to a safe landing aboard an offshore platform.
05 January 2015, 07:29 PM ET
SpaceX will try to bring the first stage of its Falcon 9 rocket back to Earth for a precision landing on a floating platform Tuesday morning. But there's no guarantee the ambitious maneuver will work.
29 December 2014, 12:00 PM ET
What can space fans look forward to next year? Closely watched spacecraft are expected to start pumping out science, while private spaceflight companies have a number of launches on the books for 2015.
19 December 2014, 04:31 PM ET
The private spaceflight company SpaceX won't be flying a mission to the International Space Station until early 2015.SpaceX is now expected to launch its fifth official mission to the orbiting outpost under a contract with NASA on Jan. 6.
18 December 2014, 11:00 AM ET
It won't be easy, but the private spaceflight company SpaceX will attempt to bring a stage of its Falcon 9 rocket back from space and land it on a floating platform in the Atlantic Ocean during an audacious test on Jan. 6.
12 December 2014, 11:00 AM ET
If all goes according to plan, Dragon will blast off atop SpaceX's Falcon 9 rocket from Cape Canaveral Air Force Station in Florida at 1:20 p.m. EST (1820 GMT) on Dec. 19 and arrive at the orbiting lab two days later.
09 December 2014, 07:00 AM ET
During a Dec. 16 launch from Florida's Cape Canaveral Air Force Station, SpaceX will try to bring the first stage of its Falcon 9 rocket back to Earth in a controlled landing on a floating platform in the Atlantic Ocean.
20 November 2014, 04:00 PM ET
A NASA astronaut about to fly to the International Space Station on a Russian spaceship hopes his next space mission will start in a seat aboard a commercial spacecraft.
30 October 2014, 07:00 AM ET
Antares' first stage uses two AJ26 engines, which are refurbished variants of the NK-33 built by the Soviet Union for its ill-fated N-1 moon rocket during the height of the space race.
27 October 2014, 07:00 AM ET
The private spaceflight company SpaceX is planning to bring a rocket back from space and land it on a giant, floating platform in the middle of the ocean, SpaceX founder Elon Musk said today (Oct. 23).
21 October 2014, 03:40 PM ET
Astronauts and innovators, including SpaceX's billionaire founder Elon Musk, are descending upon MIT this week to celebrate the 100th anniversary of the university's aeronautics and astronautics department.
16 October 2014, 03:45 PM ET
Sierra Nevada Corp. filed suit in federal court Oct. 15, seeking to overturn a NASA decision to lift a stop-work order on contracts it awarded to Boeing and SpaceX.
10 October 2014, 01:03 PM ET
NASA announced Oct. 9 that it has lifted an order that halted work on commercial crew contracts awarded last month to Boeing and SpaceX, saying that delaying work during an ongoing contract protest could jeopardize the operation of the ISS.
06 October 2014, 03:07 PM ET
The Bigelow Expandable Activity Module (BEAM) is expected to head to the orbiting lab inside SpaceX's Dragon cargo spacecraft in 2015. The BEAM mission will test out expandable-habitat technology, NASA officials have said.
06 October 2014, 07:01 AM ET
Stratolaunch's huge rocket-launching plane could be launching Sierra Nevada Corporation's Dream Chaser space plane into orbit a few years from now.
30 September 2014, 09:13 AM ET
Two days after laying off about 100 employees who had been working on its Dream Chaser vehicle, Sierra Nevada Corp. on Sept. 26 filed a protest with the U.S. Government Accountability Office of a commercial crew contract it lost earlier in September.
23 September 2014, 01:16 PM ET
The private space company's cargo spacecraft delivered supplies, a 3-D printer and more to the International Space Station on September 23rd, 2014. Full Story: http://goo.gl/6A5wcu
23 September 2014, 07:00 AM ET
SpaceX officially broke ground today (Sept. 22) on the facility, which will be located near Boca Chica Beach, at the far southern tip of the Lone Star State. The spaceport should be operational by 2016.
21 September 2014, 08:51 AM ET
The private spaceflight company's CRS-4 mission launched on September 21st, 2014. The unmanned Dragon capsule is carrying supplies, a 3D printer built by Made In Space and a new X-ray machine that will be used on the mice to measure bone density loss
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, 11:30 AM ET
SpaceX's fourth cargo mission to the International Space Station includes some mice, the first 3D printer in space and other weird science. See our take on the cargo in this Space.com infographic.
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.
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, 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.
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.
07 September 2014, 06:34 PM ET
The Falcon 9 rocket launched from Cape Canaveral Air Force Station in Florida on September 7th, 2014. It was carrying a commercial telecommunications satellite for the Hong Kong based firm AsiaSat.
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.
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.
27 August 2014, 07:02 AM ET
The space agency is about to give out its Commercial Crew Transportation Capability contract, the last in a series of awards and agreements NASA began putting in place in 2010 to encourage the development of private American astronaut taxis.