28 February 2014, 01:56 PM ET
Two astronauts prepare to leave Discovery's airlock for a spacewalk.
28 February 2014, 11:57 AM ET
The nonprofit Mars Society has selected 62 semifinalists from a total of more than 200 applicants for its Mars Arctic 365 (MA365) mission, which aims to help prepare humanity for a real manned Red Planet mission down the road.
28 February 2014, 11:43 AM ET
See images and photos of an audacious private manned Mars mission in 2021 by the nonprofit Inspiration Mars Foundation.
28 February 2014, 11:37 AM ET
An eight-person expedition is testing out Astroskin, a wearable shirt with sensors embedded in it, during a challenging trip to Antarctica. The shirt, developed for the Canadian Space Agency, could be used on future space missions.
28 February 2014, 11:25 AM ET
Whether it's surviving in the harshest environments on the planet or testing innovative technologies, there are no limits for Canada's Astronauts.
28 February 2014, 10:22 AM ET
Congressman Dana Rohrabacher (R-CA) questions a panel of space and aerospace professionals about the feasibility of the Mars mission at a hearing on Feb. 27th, 2014. Also, why the mission called 'Inspiration Mars' is now looking for public funding.
28 February 2014, 07:26 AM ET
The movie "Gravity" recreates the spacewalk experience, according to one former NASA astronaut. Leroy Chiao, former commander of the ISS, thinks that the fictional space thriller "Gravity," captures what it's like to float through the vacuum of space.
27 February 2014, 11:16 AM ET
See stunning photos of Earth's dancing northern lights with these amazing aurora photos from Earth and space in 2014. Astronauts on the International Space Station captured the aurora views from orbit.
26 February 2014, 05:42 PM ET
A potentially deadly spacesuit water leak that nearly drowned an Italian astronaut during a spacewalk last July was one of the scariest close calls in NASA's spacewalk history. In fact, the spacesuit also leaked during an earlier spacewalk.
26 February 2014, 10:51 AM ET
Japanese astronaut Koichi Wakata has been accumulating an impressive orbital photo portfolio since he arrived at the International Space Station. This is probably one of the most beautiful photographs he’s captured — the moon as it sets over our planet.
26 February 2014, 10:44 AM ET
NASA is hosting a media teleconference today to discuss the findings of an investigation into a dangerous spacesuit water leak that caused the near-drowning of an Italian astronaut.
25 February 2014, 07:00 AM ET
See images of space-themed postage stamps from the United States and around the world that celebrate space exploration.
24 February 2014, 07:04 PM ET
Putting landing gear on the Falcon 9 rocket, which is slated to blast off on March 16, marks another step in SpaceX's quest to develop a fully reusable launch system. But current plans don't call for the Falcon 9 to actually touch down on the legs.
24 February 2014, 03:00 PM ET
Images from a recent tour of the Tanegashima Space Center where JAXA plans to launch an H-IIA rocket carrying the GPM Core Observatory on Feb. 28, 2014.
23 February 2014, 12:01 PM ET
From a blazing supernova remnant to a smokin' hot supermodel, don't miss these amazing space images of the week for Feb. 22, 2014.
23 February 2014, 12:00 PM ET
What was your favorite space news story of the last week?
21 February 2014, 12:31 PM ET
Journalist, producer and television host Soledad O'Brien will host the National Geographic Channel's global television event 'Live from Space,' the channel announced Wednesday (Feb. 19).
21 February 2014, 11:14 AM ET
Dale Gardner, a NASA astronaut who on the second of his two shuttle missions became the last to fly the Manned Maneuvering Unit jetpack as he helped perform the first space salvage in history, died on Feb. 19, 2014 in Colorado. He was 65.
20 February 2014, 01:03 AM ET
Valery Kubasov, a Soviet cosmonaut whose three space missions included the first joint flight between the U.S. and Russia, died on Feb. 19, 2014. He was described as a "true pioneer of spaceflight and international cooperation in space."
19 February 2014, 06:38 AM ET
A space elevator consisting of an Earth-anchored tether that extends 62,000 miles (100,000 kilometers) into space could eventually provide routine, safe, inexpensive and quiet access to orbit, some researchers say.
18 February 2014, 01:23 PM ET
See amazing, and sometimes hilarious, photos of fun in weightlessness in these zero gravity photos on airplanes and spacecraft.
18 February 2014, 01:00 PM ET
Swimsuit-clad model Kate Upton dives and floats, not in water, but through the air for a new spread in Sports Illustrated. Upton flew on a Zero Gravity Corporation flight to model new bikini and one-piece fashions in weightlessness for Sports Illustrated'
18 February 2014, 07:00 AM ET
NASA is training one of its humanoid robots to perform telemedicine, envisioning a future where the bot could act like a surrogate doctor, guided by experts on the ground to provide care for astronauts in space.
16 February 2014, 06:50 AM ET
What was your favorite space news story of the last week?
15 February 2014, 07:59 AM ET
From stunning images of a massive sunspot to a rare sight of Venus during the day, don't miss these spectacular night sky images by stargazers and Space.com readers.
15 February 2014, 07:56 AM ET
From the first map of Jupiter's giant moon Ganymede, to shining gigantic black hole jets, don't miss these amazing space images of the week for Feb. 15, 2014.
14 February 2014, 10:46 PM ET
How do you sense the world beyond a spacesuit's restrictions?
14 February 2014, 06:03 PM ET
A historic mockup of a NASA space shuttle crew compartment has grown wings and a tail to launch as a new full-scale exhibit at the National Museum of the US Air Force in Ohio.
14 February 2014, 01:25 PM ET
Cosmonaut Elena Serova salutes her female predecessors that paved her way to becoming a cosmonaut. She will become the first Russian woman in space since Yelena Kondakova's STS-84 mission in May 1997.
14 February 2014, 12:23 PM ET
Even though it was under construction, the International Space Station has been performing groundbreaking research over the past ten years. A recent ten year extension means the ISS will have another decade to do research in a number of fields.
14 February 2014, 11:30 AM ET
Two people get a unique perspective of the environment during a zero gravity flight.
14 February 2014, 07:50 AM ET
When thinking of space travel, Florida and Texas probably come to mind, but what a company in Sweden wants to help you fly to space.