01 January 2015, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in December 2014.
31 December 2014, 01:50 PM ET
The vast majority of people who want to fly to suborbital space and back are medically fit to do so, according to researchers at Virgin Galactic, which is developing the commercial spaceliner SpaceShipTwo.
31 December 2014, 12:22 PM ET
'Interstellar' star Jessica Chastain isn't content to explore the universe just on the silver screen. The actress appears in a new NASA video hailing the agency's efforts in space science and exploration.
31 December 2014, 11:32 AM ET
Retired Canadian astronaut Chris Hadfield is asking to hear your resolutions for 2015 in a new video released by the famous spaceflyer on Dec. 27.
30 December 2014, 03:59 PM ET
The voice of the late astronomer Carl Sagan plays over footage of the recent test flight of the Orion spaceship, in a new video by Space City Films.
30 December 2014, 12:56 PM ET
How do you celebrate a birthday in space? A NASA astronaut on the International Space Station found out how to have a cosmic birthday party Monday (Dec. 29).
29 December 2014, 03:56 PM ET
The first-ever hand tool to be emailed up to the International Space Station can now be downloaded to anywhere on Earth.
29 December 2014, 12:00 PM ET
What can space fans look forward to next year? Closely watched spacecraft are expected to start pumping out science, while private spaceflight companies have a number of launches on the books for 2015.
28 December 2014, 01:33 PM ET
In a two-in-one mission, the Indian Space Research Organisation (ISRO) successfully conducted the first experimental flight of its next-generation launch vehicle and demonstrated the re-entry and recovery of a prototype crew capsule.
25 December 2014, 07:00 AM ET
While many of us here on Earth are opening presents and feasting on Christmas Day (Dec. 25), astronauts aboard the International Space Station will be having their own celebration high above the planet's surface.
24 December 2014, 12:39 PM ET
Astronauts in space have decked the halls of the International Space Station in honor of the holiday season.
24 December 2014, 11:42 AM ET
The fatal crash of a SpaceShipTwo space plane earlier this year sent shockwaves through the world of private space travel, but suborbital spaceship's builder Virgin Galactic is making strides to learn from the tragic accident and move forward.
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, 04:05 PM ET
SpaceShipTwo should start flying paying customers into space sometime in 2015, Virgin Galactic founder Richard Branson has said.
22 December 2014, 12:50 PM ET
From accidents to soaring daredevils and space capsules, 2014 was a big year in spaceflight.
22 December 2014, 12:13 PM ET
Entrepreneur Richard Branson aims to take paying passengers into space in the next few years.
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.