05 September 2014, 06:50 AM ET
The Netherlands-based nonprofit Mars One, which aims to land four astronauts on the Red Planet in 2025, announced today (Sept. 4) that it's raffling off a round-trip suborbital flight aboard XCOR Aerospace's Lynx rocket plane.
04 September 2014, 02:26 PM ET
A YouTube search for "astronauts falling over" will yield dozens of results. New experiments might help explain why the Apollo astronauts occasionally struggled to stay upright.
04 September 2014, 07:00 AM ET
The northern lights are a stunning sight for people on Earth, but even astronauts can see the incredible light shows from outer space.
02 September 2014, 04:30 PM ET
The 3D printer, which is scheduled to launch toward the orbiting lab Sept. 19 aboard SpaceX's unmanned Dragon cargo capsule, could help lay the foundation for an in-space manufacturing economy, agency officials say.
02 September 2014, 11:19 AM ET
NASA's next spaceship, the Orion capsule, has had a wet summer. For a full week in August, NASA engineers and the U.S. Navy worked side by side to practice retrieving the Orion spacecraft from the Pacific Ocean after a water splashdown.
01 September 2014, 08:01 AM ET
While many Americans will spend Labor Day (Sept. 1) barbecuing, relaxing and soaking up the end of summer, U.S. astronauts in space will spend the holiday in their own way: floating in weightlessness.
31 August 2014, 01:06 AM ET
What was your favorite space news story of the last week?
30 August 2014, 12:22 PM ET
From donning a new space suit to a beautiful star explosion, don't miss these amazing space images of the week for Aug. 30, 2014.
29 August 2014, 02:58 PM ET
NASA's retired space shuttle Discovery will mark the 30th anniversary of its first launch being admired by fans of all ages, according to the Smithsonian's curator charged with its care.
29 August 2014, 10:39 AM ET
Final Frontier Design aims to produce spacesuits in Brooklyn, NY. The company's Space Suit Experience offers space fans the chance to try on a spacesuit for $400.
28 August 2014, 07:19 AM ET
NASA's first test launch of its new mega-rocket, the Space Launch System, will blast off by November 2018, a year later than planned. See how the SLS rocket is making progress here.
28 August 2014, 07:00 AM ET
XCOR Aerospace — the builder of the Lynx space plane — is renovating the main hangar for the spaceship designed to bring paying tourists into suborbital space. Lynx could launch on its first test flights later this year.
27 August 2014, 07:02 AM ET
The space agency is about to give out its Commercial Crew Transportation Capability contract, the last in a series of awards and agreements NASA began putting in place in 2010 to encourage the development of private American astronaut taxis.
26 August 2014, 03:13 PM ET
NASA astronaut Robert Overmyer, who flew on two space shuttle missions in the early 1980s, was remembered Saturday (Aug. 23) with the dedication of a historical marker in his Ohio hometown.
26 August 2014, 12:09 PM ET
The steel tower used to mount NASA space shuttles atop jumbo jets to fly them cross-country after they landed in California is now being dismantled. The Mate-Demate Device at NASA Armstrong Flight Research Center stood for four decades.
26 August 2014, 11:49 AM ET
Former NASA administrator Mike Griffin thinks the United States' dependence on Russian technology to fly astronauts to the International Space Station is tantamount to a "hostage situation," according to an interview conducted in May.
25 August 2014, 08:03 AM ET
The moon has a distinctive smell. Ask any Apollo moonwalker about the odiferous nature of the lunar dirt and you'll get the same answer. The moon smells like gunpowder.
23 August 2014, 11:55 PM ET
What was your favorite space news story of the last week?
23 August 2014, 02:20 PM ET
From dramatic star formation to Russia's next-generation rocket, don't miss these amazing space images of the week for Aug. 23, 2014.
23 August 2014, 12:54 PM ET
From Venus and Jupiter taking center stage, to spectacular auroras, don't miss these amazing objects to watch in the night sky.
23 August 2014, 08:20 AM ET
The northern lights illuminated Arctic skies earlier this week in a stunning display that could even be appreciated by astronauts living on the International Space Station.
22 August 2014, 06:31 PM ET
NASA astronaut Steven Nagel, who flew on four space shuttle missions, died on Thursday, Aug. 21. He was 67. Nagel died after a long battle with cancer, the Association of Space Explorers reported.
22 August 2014, 03:07 PM ET
The U.S. military is developing the XS-1 Experimental Spaceplane to launch space missions faster and cheaper than ever before. See photos and images of the DARPA-led XS-1 space plane project in this Space.com gallery.
22 August 2014, 02:29 PM ET
Two astronauts living and working on the International Space Station have captured a one-two punch of incredible views showing two active volcanoes spewing steam and lava from space.
22 August 2014, 10:54 AM ET
New research led by NASA shows that spaceflight confuses the immune system.
21 August 2014, 12:00 PM ET
As SpaceX gets ready to launch astronauts into space in the coming years, the California-based company is also pushing the frontier in another field: 3D printing.
21 August 2014, 07:00 AM ET
A new atomic clock is due for installation on the International Space Station in 2016, ushering in a new age of physics experiments probing the relationship between space and time.
20 August 2014, 02:17 PM ET
A Russian official claims that samples collected by cosmonauts show evidence of sea plankton on the outside of the International Space Station, news agencies are reporting.
20 August 2014, 12:44 PM ET
Astronaut Chris Hadfield's advice for life on Earth has become the basis for a television sitcom. ABC committed to the production of a pilot episode for a family comedy inspired by Hadfield's book, 'An Astronaut's Guide to Life on Earth.'
20 August 2014, 12:05 PM ET
SpaceX's Dragon Version 2 capsule is designed to carry seven astronauts to the International Space Station. See how it works in this Space.com infographic.
20 August 2014, 10:20 AM ET
NASA astronaut Reid Wiseman seems to be having a great time living in space, and he is using social media to share it with the world.
19 August 2014, 02:43 PM ET
Call them the 'rat-stronauts.' NASA is drawing up plans to launch a team of rats with the right stuff to the International Space Station as early as this year. You know, for science.