24 December 2014, 08:00 AM ET
They won't be home for Summer vacation: See how astronauts celebrate holidays in space.
24 December 2014, 07:00 AM ET
Nowadays, astronauts on the International Space Station can record video messages, talk with their family on the ground and have holiday parties in orbit. But the first Christmas humans spent in space, back in 1968, was a little different.
23 December 2014, 04:22 PM ET
The wrench, along with the 19 other objects built by the orbiting 3D printer thus far, will travel to Earth early next year, where engineers will compare the objects with ground samples produced by the same machine before it launched.
23 December 2014, 01:40 PM ET
Technicians successfully attached a key structure called a "carry-through spar" to the body of XCOR Aerospace's Lynx rocket plane just before Thanksgiving, at a hangar at the Mojave Air and Space Port in California, company officials announced.
23 December 2014, 06:40 AM ET
The private spaceflight company Boeing is on its way toward launching astronauts to space for NASA by 2017.
23 December 2014, 06:30 AM ET
A new type of 'Thunderwear' underwear aims to protect workers (such as welders) from sparks generated as they do their jobs. The heat-resistant material was developed as part of a space technology transfer program at the European Space Agency.
22 December 2014, 12:50 PM ET
From accidents to soaring daredevils and space capsules, 2014 was a big year in spaceflight.
19 December 2014, 05:22 PM ET
NASA's first Orion space capsule — which made its spaceflight debut at the beginning of this month — is back in Florida after more than a week in transit.
19 December 2014, 05:01 PM ET
On Oct. 31, 2014, the space tourism company Virgin Galactic suffered a serious accident during a SpaceShipTwo test flight, resulting in the loss of the spacecraft. One pilot died in the crash, while another suffered injuries. See our full coverage.
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, 01:56 PM ET
A NASA astronaut is getting ready to be the first American to spend a continuous year in space, and he is excited.
18 December 2014, 08:16 AM ET
Excerpt from the book "New Space Frontiers: Venturing into Earth Orbit and Beyond."
17 December 2014, 06:16 PM ET
NASA has postponed deciding whether to attempt to capture an entire asteroid, or just a piece of one, by 2025 until at least early 2015. Both options are feasible, a senior NASA official said Wednesday (Dec. 17).
17 December 2014, 04:30 PM ET
See photos of India's new Geostationary Satellite Launch Vehicle Mark-III rocket and the CARE crew capsule prototype in these photos from the Indian Space Research Organisation. The test launch is set for December 2014.
16 December 2014, 06:22 PM ET
Space creates an important laboratory to fight against cancer on the ground.
15 December 2014, 08:20 AM ET
It has been 60 years since Col. John P. Stapp sailed down a test track, strapped in tight onboard Sonic Wind Rocket Sled 1.
14 December 2014, 07:58 AM ET
"Sepideh: Reaching for the Stars" follows a young Iranian woman who dreams of becoming an astronaut but faces obstacles from her conservative country.
13 December 2014, 12:16 PM ET
From what looks like a freshly baked pie on Mars to a great shot of Dwarf Planet Ceres, don't miss these amazing space images of the week for Dec. 13, 2014.
12 December 2014, 03:22 PM ET
A new laser link with the International Space Station could do what optical fiber has done for internet access on Earth -- by turning orbital communications from painfully slow dial-up to blazing-fast broadband.
12 December 2014, 03:20 PM ET
NASA will receive $18 billion for 2015, more than a half a billion dollars above the Obama administration’s original request, under the terms of an omnibus spending bill released late Dec. 9.
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.
11 December 2014, 07:50 AM ET
Looking at the latest mission patch destined for the space station, you would never know it was created by actor Seth Green. The six-sided emblem features no references to the celebrity's roles, but it does include a subtle nod to his personal character.
10 December 2014, 08:00 AM ET
Technicians unloaded the Orion capsule from the USS Anchorage Monday night (Dec. 8) in San Diego, about 600 miles from the spot where the U.S. Navy ship retrieved Orion after it splashed down in the Pacific Ocean on Friday (Dec. 5).
10 December 2014, 08:00 AM ET
The president congratulated Orion's chief engineer and her team for Friday's successful test flight, which marked the farthest a human-spaceflight vehicle has traveled since the end of NASA's Apollo program in 1972.
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.
07 December 2014, 09:00 AM ET
Here's a look at what the future holds for Orion, the first human-spaceflight vehicle to go beyond low-Earth orbit since NASA's Apollo capsule, which flew to the moon and back in the late 1960s and early 1970s.
05 December 2014, 01:01 PM ET
NASA is due to launch the first test flight of its deep space Orion capsule on Dec. 4. Read all about the historic unmanned test flight here.
05 December 2014, 11:35 AM ET
NASA's new Orion spacecraft, a deep-space capsule, survived an epic test flight on Friday (Dec. 5) paving the way forward for manned missions to asteroids and even Mars.
05 December 2014, 07:52 AM ET
It's the spacecraft NASA has been waiting for. The space agency's new capsule, designed to help deliver humans to deep space destinations such as Mars someday, has just launched on its rigorous first test flight.
05 December 2014, 01:00 AM ET
NASA will attempt to launch its new Orion deep-space capsule on Friday (Dec. 5), after a rocket glitch scrapped plans to launch the capsule on its ambitious first test flight Thursday. Watch it live here on Space.com, starting at 6 a.m. EST
04 December 2014, 04:00 PM ET
I'm sweating. I can't easily move any part of my body, and although there are people all around me, I can't communicate without activating a radio. I'm pretty uncomfortable.
04 December 2014, 01:17 PM ET
The Orion spacecraft was poised to launch Thursday to test its heat shield, parachutes and other vital spaceship functions. But a series of issues and glitches has pushed the unmanned test flight back by at least one day.