16 February 2015, 02:28 PM ET
Mars One, which aims to land four pioneers on the Red Planet in 2025 as the vanguard of a permanent colony, has whittled its pool of astronaut candidates down to 100, organization representatives announced Monday.
15 February 2015, 09:23 AM ET
Europe launched a prototype minishuttle on its first space test, SpaceX lofted the DSCOVR space-weather satellite, and scientists questioned whether dark matter is truly "dark." Here are Space.com's picks for the best space stories of the week.
14 February 2015, 12:40 PM ET
From a colorful cosmic "flower" to a smiley face in space, don't miss these amazing space images of the week for Feb. 15, 2015.
14 February 2015, 11:00 AM ET
The unmanned ATV-5, named "Georges Lemaitre," departed at 8:42 a.m. EST Saturday (Feb. 14), ending its six-month stay at the orbiting lab. ATV-5 will come back to Earth Sunday afternoon (Feb. 15), in a closely monitored, fatal dive.
12 February 2015, 06:00 PM ET
NASA is a high-tech space agency but even astronauts and engineers need to cut loose with some wild mission posters. Take a look at some of the wildest mission posters by NASA astronauts and their crewmates in this gallery.
12 February 2015, 12:07 PM ET
The U.S. Astronaut Hall of Fame will honor four space shuttle astronauts this spring as it marks 25 years since its founding. Rhea Seddon, John Grunsfeld, Steve Lindsey and Kent Rominger will be enshrined on May 30 at the Kennedy Space Center in Florida.
11 February 2015, 11:11 AM ET
The Smithsonian's National Air and Space Museum in Washington, D.C., has launched a new exhibit to chronicle the history of spacewalking. See photos here from the Outside the Spacecraft: 50 Years of Extra-Vehicular Activity exhibit at the Smithsonian.
10 February 2015, 07:50 PM ET
The Dragon spacecraft splashed down Tuesday (Feb. 10) at 7:44 p.m. EST in the Pacific Ocean off the coast of Baja California. The unmanned capsule had departed from the space station about 5 1/2 hours earlier, at 2:10 p.m. EST.
10 February 2015, 06:20 PM ET
High upper-level winds scrubbed SpaceX's planned launch of the DSCOVR space-weather satellite today, which will also feature a bold attempt to land the first stage of the company's Falcon 9 rocket on a drone ship in the Atlantic Ocean.
10 February 2015, 03:00 PM ET
Life on the moon would be very different for explorers than life on Earth. See how in this Space.com infographic.
10 February 2015, 02:35 PM ET
SpaceX's robotic Dragon capsule is on its way back to Earth after spending one month attached to the International Space Station, marking the start of a big day for the private spaceflight company.
10 February 2015, 07:00 AM ET
SpaceX aims to launch the DSCOVR space weather satellite, land the first stage of its Falcon 9 rocket in a reusability test and bring its Dragon cargo capsule safely down to Earth, all in the span of a few hours.
09 February 2015, 07:09 AM ET
Neil Armstrong had a secret stash of moon landing mementos. The first man to walk on the moon kept a bag full of small parts from the lunar module that he and his Apollo 11 crewmate Buzz Aldrin famously piloted to a landing at Tranquility Base in 1969.
07 February 2015, 02:22 PM ET
When SpaceX launches a long-delayed satellite on Sunday, the company hopes to do the amazing: return a rocket to Earth and land it on a floating platform in the Atlantic Ocean.
06 February 2015, 03:53 PM ET
Move over astronaut freeze-dried ice cream, Russian space food tubes have arrived. The All-Russian Exhibition Center in Moscow is now selling authentic cosmonaut food to the public through a new vending machine.
06 February 2015, 07:00 AM ET
All seven crewmembers, who will spend two weeks at the Mars Desert Research Station near the Utah town of Hanksville, are astronaut candidates for Mars One's Red Planet colonization effort.
05 February 2015, 01:08 PM ET
One of the final remaining structures unique to supporting NASA's space shuttle program is no more. The Mate-Demate Device at the Kennedy Space Center in Florida, which mounted and removed the orbiters from the back of jumbo jets for 35 years, has been de
05 February 2015, 10:30 AM ET
The European Space Agency is preparing for launch next week of a small reusable spacecraft that is due to make its first test run beyond the atmosphere.
04 February 2015, 12:18 PM ET
The FAA’s Office of the Associate Administrator for Commercial Space Transportation (AST) has given thumbs-up regarding private sector operations on the Moon.
03 February 2015, 02:45 PM ET
SpaceX will soon ship a Dragon test vehicle to Cape Canaveral Air Force Station in Florida, where the spaceship will undergo a critical "pad abort" trial to show how Dragon might respond if a problem were to occur during launch.
03 February 2015, 12:00 PM ET
With its intense heat, thick air and high pressure, Venus is not an ideal vacation spot.
03 February 2015, 11:40 AM ET
Conditions on the planet Mercury would make living there a challenge. See what the days and nights might be like on the closest planet to the sun in our infographic.
02 February 2015, 04:20 PM ET
The White House is requesting a $500 million boost for the NASA budget in 2016, potentially propelling the space agency on its way toward sending humans to Mars in the future, the agency's chief said Monday.
01 February 2015, 12:00 AM ET
See amazing images of the night sky and cosmos in Space.com's gallery of cosmic images posted in January 2015.
30 January 2015, 12:30 PM ET
When more than 100 million people on Earth tune in for the Super Bowl kick-off this Sunday, NASA's astronauts in space will probably be sleeping. But they might wake up to catch the end of the game live.
30 January 2015, 11:02 AM ET
Europe is set to send its first 3D printer into the final frontier this year to experiment with zero-gravity manufacturing on long space voyages.
30 January 2015, 10:20 AM ET
If you have ever desired to take a "space walk," Adidas has the sneakers for you. The German shoe outfitter is set to launch two new pairs of sports trainers featuring the look and feel of NASA's historic spacesuits.
28 January 2015, 04:40 PM ET
On Jan. 22, operators on the ground used two robotic arms to install NASA's Cloud Aerosol Transport System (CATS) instrument on the exterior of the International Space Station.
28 January 2015, 02:50 PM ET
NASA astronaut Terry Virts, a member of the current Expedition 42 crew aboard the International Space Station, captured several dramatic photos of the monster winter storm Tuesday night, as it wheeled and churned over New England.
28 January 2015, 01:23 PM ET
An amazing new video from SpaceX shows the spaceflight company's incredible plans for a reusable mega-rocket.
28 January 2015, 07:00 AM ET
NASA officials are conducting ceremonies at several different sites around the country to pay tribute to the astronauts killed in 1967's Apollo 1 fire and the Challenger and Columbia space shuttle accidents.
26 January 2015, 05:07 PM ET
The private spaceflight companies Boeing and SpaceX are on track to start launching NASA astronauts to the International Space Station by 2017, representatives of both firms say.