04 December 2014, 12:01 AM ET
The Orion spacecraft, a capsule destined to fly NASA astronauts on deep-space missions to asteroids and Mars, is counting down to a planned 7:04 a.m. EST (1104 GMT) liftoff on Thursday. Watch it live here at Space.com.
03 December 2014, 05:00 AM ET
One of the largest social media campaigns in NASA history has helped make the space agency's relationship with the public more interactive than ever before.
03 December 2014, 02:00 AM ET
The upcoming launch of the first Orion spacecraft test flight Thursday (Dec. 4) is a major milestone for the NASA's plans for future space exploration, so it's no surprise that the agency tapped into social media to spark interest and excitement.
03 December 2014, 12:00 AM ET
The flight will mark the farthest journey of a human-spaceflight vehicle since 1972, when the last of NASA's Apollo moon missions flew. But the agency envisions Orion eventually getting astronauts to asteroids and Mars.
02 December 2014, 11:00 AM ET
Mars One has selected 10 finalists from dozens of proposed payloads submitted by university groups around the world. One of these experiments will be chosen to fly on Mars One's robotic lander mission in 2018 — and the public will pick the winner.
02 December 2014, 09:55 AM ET
Star Trek's Kirk, Marvel's Iron Man, Sesame Street's Slimey the Worm, and a T-Rex are set to launch together on the first test flight of NASA's next-generation spacecraft Orion. The eclectic 'crew' are representative of the mementos flying on the EFT-1 mi
02 December 2014, 07:00 AM ET
NASA is planning to launch a test mission for its newest space capsule designed to eventually bring humans deeper into space than ever before Thursday (Dec. 4), but the bold test doesn't come without risks.
01 December 2014, 03:20 PM ET
NASA's Exploration Flight Test 1, or EFT-1, will mark the first-ever test flight of the agency's Orion spacecraft for deep-space exploration. See how NASA's Orion EFT-1 space capsule test flight will work here.
01 December 2014, 07:00 AM ET
NASA's Orion space capsule is scheduled to travel 3,600 miles from Earth on Dec. 4, then rocket back to Earth to test out a variety of systems during an unmanned flight. No human-spaceflight vehicle has traveled so far since 1972.
25 November 2014, 05:49 PM ET
An op-ed by Mike Snyder, lead engineer for Made In Space, whose 3D printer just produced its first part aboard the International Space Station.
25 November 2014, 03:33 PM ET
The milestone marks a key step toward a future in which voyaging spaceships print out their own spare parts on the go and colonists on other worlds make what they need from the dirt beneath their boots, 3D printing advocates say.
25 November 2014, 03:33 PM ET
The 3D printer aboard the International Space Station produced its first part today (Nov. 21). The milestone moment marks a big step toward a future in which humanity explores far beyond its home planet, some experts say.
23 November 2014, 01:45 PM ET
What was your favorite space news story of the last week?
21 November 2014, 04:40 PM ET
A metal mockup of a Gemini space capsule used by NASA for ground tests sold at auction for more than $50,000 — parking fees not included. The 9.5-foot-tall (3-meter) spacecraft narrowly avoided a parking ticket on its way to the sale.
17 November 2014, 05:00 PM ET
Space station commander Barry Wilmore installed the 3D printer inside the orbiting lab's Microgravity Science Glovebox Monday. The machine and its software are in good operating condition, and the first test items will likely be printed sometime Monday.
10 November 2014, 03:30 PM ET
On screen, director Christopher Nolan's film 'Interstellar' takes audiences on a futuristic journey across space and time. Behind the scenes, it was real space history rather than science-based fiction that inspired Nolan to make the film.
10 November 2014, 01:01 AM ET
American astronaut Reid Wiseman, Russian cosmonaut Maxim Surayev, and European astronaut Alexander Gerst returned to Earth from aboard the International Space Station, touching down in Kazakhstan after 165 days orbiting the planet.
06 November 2014, 03:23 PM ET
NASA is getting ready to launch a daring test flight of a capsule that could eventually bring humans to deep-space destinations like Mars or an asteroid.
06 November 2014, 02:00 PM ET
Friday's tragic accident will delay Virgin Galactic's progress and may also result in more governmental oversight of the company and others that seek to launch paying customers to space, experts say. But space tourism itself should survive.
06 November 2014, 07:00 AM ET
NASA astronauts Mike Fincke and Marsha Ivins discussed their off-Earth experiences with "Interstellar" actors Matthew McConaughey, Anne Hathaway and Jessica Chastain during a Google+ Hangout Wednesday.
04 November 2014, 02:04 AM ET
Investigators have formed a new working group to take a close look at the pilot interface systems on Virgin Galactic's SpaceShipTwo and released a detailed new timeline of the vehicle's tragic accident.
03 November 2014, 02:27 PM ET
The friends and co-workers of the co-pilot who died in Virgin Galactic's tragic SpaceShipTwo accident Friday (Oct. 31) have raised more than $55,000 for his family via crowdfunding.
03 November 2014, 01:18 AM ET
See images released after the crash of Virgin Galactic's space plane SpaceShipTwo. The accident, which took place on Oct. 31, 2014, left one pilot dead and the other seriously injured.
03 November 2014, 01:15 AM ET
SpaceShipTwo's twin rudders can be rotated up to increase drag when the vehicle heads back down toward Earth. On Friday's flight, this maneuver should have been performed when the vehicle was traveling at Mach 1.4, but it actually occurred at Mach 1.0.
02 November 2014, 10:00 AM ET
From its first crewed flight in 2010, through its last successful flight last October, major milestones for SpaceShipTwo.
01 November 2014, 11:20 PM ET
Virgin Galactic's SpaceShipTwo broke apart in midair before crashing to the ground during a test flight Friday (Oct. 31), investigators have determined.
01 November 2014, 09:08 PM ET
The two Scaled Composites test pilots aboard Virgin Galactic's SpaceShipTwo during its tragic crash on Oct. 31 have been named. SpaceShipTwo co-pilot Michael Ashbury died in the crash, while Scaled Director of Flight Operations Peter Seibold survived.
01 November 2014, 12:12 PM ET
The U.S. National Transportation Safety Board has begun its investigation into the deadly crash of Virgin Galactic's SpaceShipTwo on Oct. 31. Here's the latest details on how the investigation will work.
01 November 2014, 08:27 AM ET
The tragic crash of Virgin Galactic's SpaceShipTwo space plane on Friday, Oct. 31, has the commercial spaceflight industry in mourning for the test pilot who died, and praying for the recovery of a second pilot who was injured. See reactions from experts.
01 November 2014, 06:54 AM ET
Virgin Galactic CEO George Whitesides said the company will figure out what went wrong and continue to work to get SpaceShipTwo up and running.
31 October 2014, 07:59 PM ET
We have moved from a space race between nations to becoming a race that relies on space for many of its everyday activities. Perhaps this is why the explosion on take-off of the unmanned Antares launch vehicle has received such wide publicity.
31 October 2014, 06:58 PM ET
Orbital Sciences Corp.'s Antares rocket exploded on Tuesday just after launching on an unmanned cargo mission to the International Space Station. Then, on Friday, Virgin Galactic's SpaceShipTwo crashed during a test flight, killing one pilot.
31 October 2014, 06:36 PM ET
The commercial SpaceShipTwo spacecraft built by Virgin Galactic crashed in Mojave, California Friday (Oct. 31) during a failed test flight that killed one pilot and injured another. See the latest news here.
31 October 2014, 03:06 PM ET
SpaceShipTwo, Virgin Galactic's passenger spacecraft, experienced an 'anomaly' during its fourth rocket-powered test flight on Friday, Oct. 31. See the latest details here.
30 October 2014, 03:32 PM ET
Forty-five years ago, astronaut Neil Armstrong added his autograph to an envelope for one purpose: that it be sold to provide for his family in the event he did not make it back from the moon. Now, that iconic autograph is up for auction.
30 October 2014, 10:00 AM ET
Measures taken in the current Ebola outbreak may hold some clues for how to handle Martian samples brought back to Earth from the Red Planet, which could host extraterrestrial microbes.