26 November 2014, 11:31 AM ET
Can you tell me how to get, how to get to... Mars? Elmo, Cookie Monster and the other muppets from "Sesame Street" have joined forces with NASA to count down to the first launch of the Orion spacecraft.
26 November 2014, 07:23 AM ET
Astronaut Barry "Butch" Wilmore delivers a Thanksgiving message from the International Space Station, and does his best impression of a bat by dangling upside down.
25 November 2014, 05:49 PM ET
An op-ed by Mike Snyder, lead engineer for Made In Space, whose 3D printer just produced its first part aboard the International Space Station.
25 November 2014, 03:33 PM ET
The 3D printer aboard the International Space Station produced its first part today (Nov. 21). The milestone moment marks a big step toward a future in which humanity explores far beyond its home planet, some experts say.
25 November 2014, 03:33 PM ET
The milestone marks a key step toward a future in which voyaging spaceships print out their own spare parts on the go and colonists on other worlds make what they need from the dirt beneath their boots, 3D printing advocates say.
25 November 2014, 02:38 PM ET
The capsule will travel about 3,600 miles (5,800 kilometers) from Earth, then zoom back again at high speeds in order to test various systems, including its heat shielding and resistance to radiation.
25 November 2014, 01:06 PM ET
Astronauts aboard the International Space Station may be far from home, but they'll be celebrating Thanksgiving with the same dishes as friends and family on the ground.
25 November 2014, 07:07 AM ET
NASA's newest deep space capsule Orion, is getting ready for its first unmanned test flight, launching next week.
25 November 2014, 07:00 AM ET
The 3D printer aboard the International Space Station has created its first part, a piece of itself called an extruder plate. What will astronauts want to print out next?
24 November 2014, 07:00 AM ET
While wormholes are possible according to Einstein's theory of general relativity, it's unlikely that people will ever be able to travel through one, said renowned astrophysicist Kip Thorne of the California Institute of Technology in Pasadena.
24 November 2014, 12:20 AM ET
A new crew of three arrived at the International Space Station today (Nov. 23) after a quick trip to the orbiting outpost.
23 November 2014, 01:45 PM ET
What was your favorite space news story of the last week?
23 November 2014, 12:48 PM ET
From iages of 3-D forests to a geologic map of Vesta, don't miss these amazing space images of the week for Nov. 23, 2014.
23 November 2014, 08:13 AM ET
A new three-person crew is launching to the International Space Station atop a Russian rocket today (Nov. 23), and you can watch the liftoff live online.
21 November 2014, 04:40 PM ET
A metal mockup of a Gemini space capsule used by NASA for ground tests sold at auction for more than $50,000 — parking fees not included. The 9.5-foot-tall (3-meter) spacecraft narrowly avoided a parking ticket on its way to the sale.
21 November 2014, 03:07 PM ET
Do you want to launch a snowman? That is perhaps the question and paraphrased song line that Anton Shkaplerov's daughter may have asked her cosmonaut father about the Disney 'Frozen' Olaf doll she suggested he fly to the space station.
21 November 2014, 10:26 AM ET
NASA announced Nov. 14 that it has extended its unfunded agreement with Blue Origin to support that company’s effort to develop a commercial crew spacecraft.
20 November 2014, 04:00 PM ET
A NASA astronaut about to fly to the International Space Station on a Russian spaceship hopes his next space mission will start in a seat aboard a commercial spacecraft.
18 November 2014, 01:51 PM ET
NASA's Orion spacecraft is designed to take humans deeper into space than ever before. Get the latest Orion news, videos and images here.
18 November 2014, 06:27 AM ET
A new laser instrument developed for the International Space Station is expected to generate incredible 3D maps of Earth's forests.
17 November 2014, 05:00 PM ET
Space station commander Barry Wilmore installed the 3D printer inside the orbiting lab's Microgravity Science Glovebox Monday. The machine and its software are in good operating condition, and the first test items will likely be printed sometime Monday.
17 November 2014, 04:30 PM ET
The last group of astronauts to repair the Hubble Space Telescope discusses its astronomical legacy.
17 November 2014, 03:30 PM ET
See photos of the new Hubble Space Telescope exhibit at the Intrepid Sea, Air & Space Museum.
12 November 2014, 02:44 PM ET
Investigators have talked to the pilot who survived the tragic crash of Virgin Galactic's SpaceShipTwo last month, and say that he didn't know that his copilot unlocked the space plane's re-entry system early.
12 November 2014, 01:25 PM ET
NASA's first space-bound Orion capsule has arrived at the launch pad, where it will lift off on an uncrewed test flight in support of the space agency's plans for future astronaut missions beyond Earth orbit.
10 November 2014, 07:45 PM ET
The Orion capsule will roll out to the launch pad Tuesday night (Nov. 11), moving from NASA's Kennedy Space Center (KSC) in Florida to the next-door Cape Canaveral Air Force Station ahead of its Dec. 4 launch.
10 November 2014, 02:03 PM ET
The Space Shuttle Endeavour pilot (STS-130 mission) talks about the differences between shuttle and space station missions with Space.com's @MiriKramer. Virts is part of the Expedition 42/43 crew launching to the Station in Nov. 2014.
10 November 2014, 01:01 AM ET
American astronaut Reid Wiseman, Russian cosmonaut Maxim Surayev, and European astronaut Alexander Gerst returned to Earth from aboard the International Space Station, touching down in Kazakhstan after 165 days orbiting the planet.
08 November 2014, 07:00 AM ET
A weakening sun will more easily push Mars-bound astronauts beyond standard NASA radiation safety limits, putting them at increased risk for cancer, a new study warns.
07 November 2014, 11:02 PM ET
The emotions of "Interstellar" ring true to those who've been in space, says AstroCritic and former ISS commander Leroy Chiao.
07 November 2014, 12:00 PM ET
In 'Interstellar,' Nolan chronicles the search for another planet for humanity after life of Earth becomes unsustainable. See images from the film "Interstellar" in this Space.com gallery.
07 November 2014, 11:30 AM ET
The cast who play astronauts in Christopher Nolan's new science fiction film "Interstellar" learned how about life in microgravity from a real space traveler. Retired NASA astronaut Marsha Ivins offered tips to Matthew McConaughey and Anne Hathaway.