27 February 2014, 01:48 PM ET
Space tourist Dennis Tito's daring proposal to send a married couple on a 501-day space flight around the planet Mars and back.
24 February 2014, 07:04 PM ET
Putting landing gear on the Falcon 9 rocket, which is slated to blast off on March 16, marks another step in SpaceX's quest to develop a fully reusable launch system. But current plans don't call for the Falcon 9 to actually touch down on the legs.
24 February 2014, 04:48 PM ET
Russia is preparing for the debut flight of a launch vehicle called Angara, its first new big rocket since the Soviet era. Angara is built around common core boosters that burn environmentally friendly fuels (like SpaceX’s Falcon rockets).
13 February 2014, 08:05 AM ET
Juggling flight delays and busy skies with the skill of seasoned air traffic controllers, International Space Station managers have approved the launch date for SpaceX's next cargo resupply mission for March 16.
11 February 2014, 07:19 AM ET
DARPA plans to award the first design contracts for its XS-1 space plane project in May or thereabouts. The agency wants the XS-1 to get off the ground in late 2017 and make an orbital test flight the following year.
10 February 2014, 07:00 PM ET
Why is NASA duplicating private efforts — at greater expense?
05 February 2014, 05:30 PM ET
An unmanned Russian cargo spacecraft docked with the International Space Station today (Feb. 5) to deliver supplies to the crewmembers manning the space laboratory after a quick trip through space.
05 February 2014, 11:36 AM ET
An unmanned cargo ship carrying needed supplies launched on a quick trip to the International Space Station today (Feb. 5).
05 February 2014, 11:23 AM ET
See launch and docking photos for Russia's unmanned Progress 54 spacecraft, which launched Feb. 5, 2014 carrying 2.5 tons of supplies for Expedition 38 astronauts on the International Space Station.
31 January 2014, 11:30 AM ET
Billionaire rocket-maker Elon Musk of SpaceX shared his big vision for a "self-sustaining civilization" on Mars with actor Joseph Gordon-Levitt in a short documentary set to air this weekend.
18 January 2014, 11:12 AM ET
Four private companies working to eventually launch astronauts into space with NASA are gearing up for a big year in 2014.
17 January 2014, 05:11 PM ET
The Dragon test article successfully splashed down in the Pacific Ocean in December. The parachute deployment system was evaluated as part of their Commercial Crew Integrated Capability agreement with NASA.
14 January 2014, 03:09 PM ET
NASA Commercial Crew Program partners Blue Origin, Boeing, Sierra Nevada Corporation and SpaceX are on-track to provide astronauts with rides into orbit at much less cost than government-built vehicles.
11 January 2014, 10:00 AM ET
The longed-for dawn of private manned space travel appears near at hand. Virgin Galactic's suborbital SpaceShipTwo, for example, aced its third supersonic test flight on Friday, and company officials say they remain on track to begin commercial service.
06 January 2014, 07:32 PM ET
Launching for the second time in five weeks, a SpaceX Falcon 9 rocket lifted off from Cape Canaveral on Monday (Jan. 6) and successfully put a broadcasting satellite in a high-altitude orbit for a Thai communications operator.
06 January 2014, 05:47 PM ET
The commercial space company has launched a second satellite in 2 months aboard an upgraded Falcon 9 rocket. It launched from the Kennedy Space Center in Florida on January 6th, 2014.
06 January 2014, 01:12 PM ET
A SpaceX Falcon 9 rocket carrying the THAICOM 6 communications satellite is slated to launch from Florida's Cape Canaveral Air Force Station today at 5:06 p.m. EST. You can watch the liftoff live here on SPACE.com beginning at 4:25 p.m. EST.
29 December 2013, 11:49 AM ET
Space feats reached internationally and into interplanetary space in 2013, with milestones stretching from Earth to Mars.
26 December 2013, 10:11 AM ET
New satellites, Voyager, SpaceX and more took center stage - take a look back at all the space agency accomplished in this highlights video.
17 December 2013, 07:06 PM ET
NASA has decided that three spacewalks — one each on Dec. 21, 23 and 25 — will be necessary to replace a faulty pump module on the station. As a result, the planned launch of the unmanned Cygnus spacecraft will occur in mid-January at the earliest.
16 December 2013, 03:35 PM ET
NASA engineers are trying to fix a problem with the International Space Station's cooling system in time for a private robotic spaceship to launch on a cargo mission to the orbiting lab on Thursday (Dec. 19).
13 December 2013, 05:43 PM ET
NASA selected SpaceX (Space Exploration Technologies) to lease a historic launch pad to support the private spaceflight company's rockets.
03 December 2013, 06:30 PM ET
SpaceX launched its first-ever commercial satellite bound for a geostationary orbit Tuesday (Dec. 3) in a landmark flight for the private spaceflight company.
03 December 2013, 06:00 PM ET
See photos from SpaceX's SES-8 satellite launch mission atop a an upgraded Falcon 9 rocket on Dec. 3, 2013. Liftoff occurred at 5:41 p.m. EST from Cape Canaveral Air Force Station in Florida.
03 December 2013, 05:47 PM ET
An upgraded Falcon 9 rocket lofted the SES-8 telecommunications satellite to a geosynchronous transfer orbit of 80,000km on Dec. 3rd, 2013.
03 December 2013, 10:22 AM ET
The private spaceflight company SpaceX will make its third attempt to launch a huge commercial communications satellite today (Dec. 3) in a landmark mission. The mission will launch at 5:41 p.m. EST (2241 GMT). Here's how to watch.
29 November 2013, 05:57 PM ET
An unmanned cargo ship docked with the International Space Station today (Nov. 29), delivering a load of cosmic holiday goodies to the residents of the orbiting outpost.
28 November 2013, 11:57 PM ET
SpaceX's Falcon 9 rocket fired its engines and was moments away from liftoff from Cape Canaveral on Thursday, but the commercial booster aborted the launch after computers detected the engines were too slow to build up thrust.
28 November 2013, 08:34 AM ET
The private spaceflight company SpaceX has set the table for a Thanksgiving Day rocket launch from Florida today (Nov. 28) after a two-day delay due to a technical glitch. Liftoff is set for 5:39 p.m. EST (0039 GMT). Watch live online.
27 November 2013, 07:44 AM ET
A number of organizations, both public and private, are drawing up plans to send astronauts toward the Red Planet, whose allure as an otherworldly destination and potential host of alien life has beckoned scientists and dreamers for hundreds of years.
26 November 2013, 07:45 AM ET
SpaceX delayed the planned launch of the huge SES-8 communications satellite on Monday (Nov. 25) after a technical glitch with its upgraded Falcon 9 rocket. See what happened here.
25 November 2013, 04:00 PM ET
An unmanned cargo-carrying spacecraft launched on its way toward the International Space Station today. The Progress 53 vessel will deliver tons of food, fuel and other supplies when it arrives at the orbiting lab on Friday.
25 November 2013, 09:08 AM ET
The private spaceflight company SpaceX is counting down to a critical commercial satellite launch in Florida today (Nov. 25), and you can watch the launch attempt live online.
22 November 2013, 06:22 PM ET
The document calls on federal agencies to continue supporting the development of private American spaceships to carry astronauts to and from low-Earth orbit and directs NASA to keep working on a heavy-lift rocket to send people much farther afield.
22 November 2013, 01:41 PM ET
With the success of the SpaceX and Orbital Sciences spacecrafts, NASA is looking forward to sending humans to low-Earth orbit with commercial partners.
17 October 2013, 02:01 PM ET
SpaceX managed to re-light the next-generation Falcon 9's nine-engine first stage twice during the Sept. 29 test flight from Vandenberg Air Force Base in California, easing the stage's return to Earth over the Pacific Ocean.