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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.
26 November 2014, 06:00 AM ET
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, 05:14 PM ET
Neptune is the farthest planet from the sun and was the first to be predicted before it was discovered.
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, 10:33 AM ET
The largest sunspot to appear on Earth's nearest star in more than two decades is once again pointed at the planet, and it will likely kick-start solar storms, NASA scientists say.
25 November 2014, 08:58 AM ET
NASA astronaut Barry “Butch” Wilmore talks about this years Thanksgiving meal aboard the International Space Station and what he has to be thankful for.
25 November 2014, 07:23 AM ET
The space-funding company Uwingu will send nearly 90,000 messages to Mars this Friday (Nov. 28) to help celebrate the 50th anniversary of the launch of NASA's Mariner 4 probe, the first successful Red Planet mission.
25 November 2014, 07:20 AM ET
This evening, look low near the west-southwest horizon about an hour after sunset for a slender (14 percent illuminated) crescent moon. Mars will sit about 9 degrees to the left of the moon.
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?
25 November 2014, 12:28 AM ET
Three leading physicists explore the science of "Interstellar."
24 November 2014, 03:31 PM ET
An incredible, reprocessed picture of Jupiter's moon Europa shows the mysterious natural satellite's amazing colors as they have never been seen before.
24 November 2014, 03:30 PM ET
See photos of Jupiter's ice-covered moon, Europa
24 November 2014, 12:00 PM ET
They won't be home for Summer vacation: See how astronauts celebrate holidays in space.
24 November 2014, 11:00 AM ET
The stunning green glow in this image comes from an aurora at Glacier National Park in Montana. Astrophotographer John Ashley took this image from Livingston Mountain Range in Glacier National Park on Oct. 20, 2014.
24 November 2014, 10:32 AM ET
The European Space Agency's Clean Space program is launching a multi-faceted approach to dealing with the issue of dangerous space debris
24 November 2014, 08:00 AM ET
New research shows that dark energy may be eating up dark matter and slowing down the rate that the universe is expanding.
24 November 2014, 07:01 AM ET
A massive population of stars is missing, and scientists are stumped as to where it could be.
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, 11:38 PM ET
Learn about the size, shape and composition of asteroids as well as their history, naming conventions, and plans to mine asteroids in the future.
21 November 2014, 09:15 PM ET
Lockheed Martin has been involved in aviation and space exploration for about 100 years.
21 November 2014, 08:16 PM ET
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, 04:03 PM ET
When at Mars, bring a 3D printer.