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.
19 August 2014, 02:43 PM ET
Packed on Europe's final space freighter to dock with the International Space Station is a small blue box. It's not the most important payload on the Automated Transfer Vehicle, but the box's contents commemorate the fleet's five spacecraft namesakes.
18 August 2014, 05:02 PM ET
Famed Apollo 11 astronaut Buzz Aldrin may have walked on the moon, but the folks behind Jockey underwear think they could have helped him conquer the galaxy.
18 August 2014, 03:03 PM ET
An astronaut and cosmonaut on the International Space Station captured some spectacular views of a private spaceship meeting it fiery end above Earth's surface Sunday (Aug. 17).
18 August 2014, 12:37 PM ET
A Russian cosmonaut threw a tiny satellite into the vacuum of space during a spacewalk outside of the International Space Station today (Aug. 18).
18 August 2014, 11:57 AM ET
See photos of Russian cosmonaut Oleg Artemyev throwing the Peru-built Chasqui 1 satellite from the International Space Station on Aug. 18, 2014.
18 August 2014, 09:32 AM ET
Russia's new Angara rocket family is the country's first post-Soviet era booster to be developed. See photos of the Angara rocket's development, test flights and future.
16 August 2014, 05:08 PM ET
Country music star Brad Paisley traveled to NASA's Kennedy Space Center in Florida to launch his new song, 'American Flag on the Moon.' 'I'm at NASA's Apollo launch pad in FL, leaking my new song,' Paisley wrote on Twitter.
15 August 2014, 11:52 AM ET
Disney's Buzz Lightyear isn't the only toy to actually fly in space.
15 August 2014, 07:00 AM ET
Test-driving a new rover is a routine procedure for space scientists, but last week's trial in Germany was different: While the rover was here on Earth, its operator was floating 250 miles (400 kilometers) above on the International Space Station.
14 August 2014, 03:49 PM ET
It was not quite the blast off, but a full-size, replica space shuttle rose into the sky over Houston to be mounted on top of a historic NASA jumbo jet.
14 August 2014, 06:46 AM ET
Researchers discovered that 64 astronauts on board 80 space shuttle missions, and 21 astronauts on the International Space Station slept for just six hours per night on average, even though their schedules called for 8.5 hours of slumber.
13 August 2014, 10:42 AM ET
Scott Kelly is just 7 months from becoming the first NASA astronaut to spend a year in space. Well, maybe not a full year, at least according to the current schedule, but that's not stopped Kelly and his crewmate Mikhail Kornienko from designing a one-yea