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.
16 October 2013, 01:50 PM ET
RocketCam's video of the September 29th, 2013 launch, saw the upgraded rocket's first stage separation and an engine restart - key to making fully re-usable boosters that can fly often.
15 October 2013, 11:07 AM ET
The U.S. dominated the commercial launch market in the early 1980s but lost most of that ground to Europe and Russia over the last two decades. China remains a bit player now, but that won't be the case for long, SpaceX officials say.
14 October 2013, 01:26 PM ET
An experimental and reusable rocket built by the private spaceflight company SpaceX soared to new heights earlier this month.
10 October 2013, 11:40 AM ET
A photographer's road trip to see SpaceX's first Falcon 9 rocket launch from California last month led to this striking composite photo recently released to SPACE.com. Photographer David A. Kodama captures the SpaceX rocket launch in stages.
10 October 2013, 11:17 AM ET
See photos of private spaceflight company's SpaceX's first upgraded Falcon 9 test flight on Sept. 29, 2013 from Vandenberg Air Force Base in California.
01 October 2013, 05:49 PM ET
SpaceX issued a statement Oct. 1 denying speculation that the upper stage of its Falcon 9 v1.1 rocket exploded on orbit following the rocket’s successful demonstration launch Sept. 29 from Vandenberg Air Force Base in California.
01 October 2013, 11:08 AM ET
Launch team comments on their first West Coast SpaceX Falcon 9, which lifted the Cascade Smallsat & Ionospheric Polar Explorer [CASSIOPE] from Vandenberg Air Force Base's Space Launch Complex-4 in a crucial test of vehicle and military crew.
30 September 2013, 06:23 PM ET
SpaceX's first launch from California on Sunday (Sept. 29) gave some unsuspecting observers a little more than they bargained for.
30 September 2013, 03:21 PM ET
On Sunday, Sept. 29, the private spaceflight company SpaceX launched a new version of its Falcon 9 rocket in a successful test flight that included many firsts, including the firm's first-ever West Coast launch.
29 September 2013, 08:31 PM ET
The SpaceX rocket blasted off from Vandenberg Air Force Base on September 29th, 2013. It carried the CASSIOPE satellite to orbit.
29 September 2013, 12:27 PM ET
The private spaceflight company SpaceX launched the first of its next-generation Falcon 9 rockets Sunday (Sept. 29) in a major test flight full of space firsts. The launch also carried Canada's CASSIOPE space weather satellite into orbit.
29 September 2013, 09:45 AM ET
The private spaceflight company SpaceX will launch a new Falcon 9 rocket from California today (Sept. 29) and you can watch the liftoff live online. Liftoff is targeted for 12 p.m. EDT (1600 GMT/9 a.m. PDT). Here's how to watch.
27 September 2013, 03:11 PM ET
A new space-weather satellite could help better protect Earth's infrastructure from damaging solar storms, officials from the Canadian Space Agency say.
27 September 2013, 02:27 PM ET
The unmanned Cygnus spacecraft is expected to be grabbed by the orbiting lab's huge robotic arm at 7:15 a.m. EDT Sunday, with docking operations starting two hours later. You can watch the action live here at SPACE.com, beginning at 4:30 a.m. EDT.
27 September 2013, 12:30 PM ET
A new hybrid small satellite called CASSIOPE is scheduled to launch aboard a SpaceX rocket in 2013. It is carrying a payload named Cascade, whose purpose is to move high volume data anywhere in the world.
23 September 2013, 11:40 AM ET
A private robotic ship bound for the International Space Station is going to have to wait it out in space until at least Saturday (Sept. 28) before delivering its cargo to the orbiting laboratory.
22 September 2013, 05:47 AM ET
A new robotic commercial cargo ship for the International Space Station skipped its first attempt to link up with the orbiting lab Sunday (Sept. 22) due to a rendezvous glitch that delayed its arrival for 48 hours, NASA officials say
21 September 2013, 07:01 AM ET
Orbital Sciences has contracted with NASA to make supply runs to the International Space Station.
20 September 2013, 06:58 PM ET
The unmanned Cygnus spacecraft is expected to be grappled by astronauts using the orbiting outpost's huge robotic arm at 7:25 a.m. EDT Sunday. If all goes according to plan, the spacecraft will be secured to its docking port beginning at 9:15 a.m. EDT.