30 January 2014, 09:05 AM ET
The five-member crew of the Space Shuttle Atlantis during STS-74 peer at Mir.
29 January 2014, 06:45 AM ET
The X-37B launched on Dec. 11, 2012, meaning that it has been aloft for 413 days as of Tuesday (Jan. 28) on the third mission for the program. The endurance record is 469 days, set during the second flight, which launched in 2011.
28 January 2014, 05:05 PM ET
The Challenger shuttle disaster is the subject of the new e-book "Challenger: An American Tragedy" by veteran Hugh Harris, who served as the Voice of NASA in launch control. Get a two-chapter preview of the Harris' new book on SPACE.com.
28 January 2014, 03:09 PM ET
CJ Sturckow, who has four space shuttle missions under his belt, got behind the wheel of Virgin Galactic's private SpaceShipTwo for the first time earlier this month, guiding the vehicle through an unpowered "glide flight."
27 January 2014, 05:23 PM ET
When Challenger was lost, the U.S. space program chose to not falter.
27 January 2014, 11:04 AM ET
An astronaut prepares to install protective covers on the Hubble Space Telescope.
23 January 2014, 11:36 AM ET
For the first time, a single crew member attempts to capture the Intelsat VI.
22 January 2014, 03:06 PM ET
A popular, historic and huge NASA tour spot is closing to the public as the space agency picks up the pace preparing for the future of U.S. space exploration. Public tours into the Vehicle Assembly Building in Florida are set to end on Feb. 11.
21 January 2014, 08:43 AM ET
Astronaut Michael Gerhardt stands on the Manipulator Foot Restraint during his STS-69 Extravehicular Activity.
16 January 2014, 12:49 PM ET
The Space Shuttle Atlantis lands with its drag chute deployed.
15 January 2014, 09:23 AM ET
The orbiter Discovery shown as it rolls over to the Vehicle Assembly Building.
07 January 2014, 09:26 AM ET
The two astronauts are conducting Detailed Test Objective procedures in the payload bay of Endeavour.
02 January 2014, 11:55 AM ET
Ken Strite inspects the connection between the Space Shuttle Discovery and the external tank to be used during STS-103 mission launch.
26 December 2013, 01:04 PM ET
Crew members of the STS-49 mission captured the satellite on the third attempt.
23 December 2013, 11:23 AM ET
An astronaut peeks inside the flight deck during his EVA on STS-49.
19 December 2013, 09:44 AM ET
An astronaut and a cosmonaut shake hands during the STS-71 mission.
17 December 2013, 09:46 AM ET
Astronaut Jerry Ross approaches the Assembly Concept for Construction of Erectable Space Structures device.
02 December 2013, 02:27 PM ET
This month marks the 20th anniversary of STS-61, the space-shuttle mission that repaired the Hubble Space Telescope's faulty optics. Last week, MIT hosted a symposium to commemorate the mission and to celebrate Hubble's legacy.
02 December 2013, 01:17 PM ET
It does not seem out of place today, but the sight 30 years ago of a pressurized module mounted in the space shuttle's payload bay was described in 1983 as an 'odd-appearing assemblage.' That sight was Spacelab, a $1 billion space laboratory.
26 November 2013, 09:44 AM ET
A Space Shuttle Main Engine undergoing a full power second test firing.
22 November 2013, 09:08 AM ET
Overnight on Jan. 28, 1986 icicles formed on the launch pad and service tower.
20 November 2013, 09:11 AM ET
Discovery goes through the meticulous process of being prepared for liftoff on Mission STS-70 in early June of 1995.
19 November 2013, 09:19 AM ET
The Space Shuttle orbiter Endeavour flies atop NASA's Boeing 747 Shuttle carrier Aircraft.
18 November 2013, 10:13 AM ET
The Space Shuttle prototype Enterprise flies free after being released from NASA's 747 Shuttle Carrier Aircraft.
10 November 2013, 11:00 PM ET
A rundown of some of the biggest spacecraft to smash into Earth beyond their operators' control.
06 November 2013, 09:14 AM ET
This picture shows the static test firing of the DM-2 for the Solid Rocket Booster.
17 October 2013, 10:41 AM ET
Two astronauts test the SAFER system during a shared spacewalk.
15 October 2013, 10:30 AM ET
The Space Shuttle Atlantis returns after mission STS-30, landing at Edwards Air Force Base.
11 October 2013, 10:23 AM ET
One year and nearly 3 million visitors later, NASA's retired space shuttle Endeavour is the focus of a celebration at its Los Angeles museum home.
09 October 2013, 10:07 AM ET
Mission Specialist Peter J.K. Wisoff stands on a Portable Foot Restraint, Manipulator Foot Restraint attached to the End Effector of the Remote Manipulator System.
08 October 2013, 01:40 PM ET
The first Space Shuttle External Tank rolls off the assembly line.
05 October 2013, 08:01 AM ET
While Sandra Bullock and George Clooney will be praised for their performances in "Gravity," some of the true stars of the new film don't have any lines at all.
20 September 2013, 04:36 PM ET
Houston's space shuttle mockup has a new name — and a date for its unveiling. Space Center Houston, the official visitor center for NASA's Johnson Space Center, has announced Oct. 5 as the day it will christen its full-size orbiter replica.
17 September 2013, 02:10 PM ET
The first American space traveler to follow his astronaut father into orbit is selling some of his memorabilia, including a model based on a rocket designed by Konstantin Tsiolkovsky, Russia's "father of space travel."
05 September 2013, 03:39 PM ET
In the latest preview to the upcoming movie starring Sandra Bullock and Georgo Clooney, the film's International Space Station, Soyuz vehicle, Space Shuttle and Hubble Space Telescope are either damaged or destroyed.
30 August 2013, 03:37 PM ET
Thirty years ago Friday (Aug. 30), Guion "Guy" Bluford became the first African-American in space, launching into low-Earth orbit aboard the Space Shuttle Challenger.