18 September 2015, 07:51 AM ET
Halfway through his 342-visit to the ISS, astronaut Scott Kelly talks about what he's looking forward to, and what he misses.
18 September 2015, 07:00 AM ET
NASA has been overly optimistic about its manned Red Planet plans in the past. But the agency's current goal of getting astronauts to Mars by the end of the 2030s is eminently achievable, NASA chief Charles Bolden said.
17 September 2015, 01:08 AM ET
In this artist's conception, SpaceX's Dragon spacecraft lands on Mars.
15 September 2015, 01:00 PM ET
Abigail Harrison, known on social media as 'Astronaut Abby,' has launched The Mars Generation, a nonprofit organization to get people excited again about space exploration.
15 September 2015, 10:32 AM ET
Blue Origin, the private spaceflight company founded by Amazon CEO Jeff Bezos, will build and launch rockets and spaceships from the Cape Canaveral Air Force Station in Florida.
15 September 2015, 08:21 AM ET
Two crewmembers aboard the International Space Station are entering rarely tread territory as they pass the six-month mark in a yearlong stay in orbit that will help scientists understand how humans might cope with a journey to Mars.
14 September 2015, 06:00 PM ET
Demonstrating one small step for rover operations, a European astronaut successfully maneuvered a machine on Earth in precision operations from his perch 250 miles (400 kilometers) high on the International Space Station.
13 September 2015, 07:26 AM ET
The head of NASA’s Osiris-Rex asteroid sample-return probe plans to crowdfund an outreach budget for the mission on Kickstarter by selling a card game."
11 September 2015, 08:57 PM ET
A Russian Soyuz spacecraft carrying cosmonaut Gennady Padalka, European Space Agency astronaut Andreas Mogensen and Kazakhstan's Aidyn Aimbetov touched down safely on the Kazakh steppes Friday evening, about 3.5 hours after departing the space station.
11 September 2015, 10:28 AM ET
There's a new way to look like an astronaut — or at least a fictional future crew member of a Mars-bound mission — thanks to a joint marketing promotion between the upcoming film "The Martian" and the American sports clothing company Under Armour.
11 September 2015, 05:48 AM ET
SpaceX has thrown open the hatch leading into its Crew Dragon spacecraft, revealing a sleek black and white interior design for the capsule it is building to fly astronauts to the International Space Station and other future destinations.
08 September 2015, 05:24 PM ET
If Scott Kelly were aboard a spaceship on its way to Mars, rather than on the International Space Station where has been for the last six months, he would be arriving at the Red Planet just about now.
08 September 2015, 03:40 PM ET
Researchers tested two "hedgehog" robot prototypes this summer to get an idea of the machines' potential to explore space locations inaccessible to conventional rovers.
08 September 2015, 02:03 PM ET
The picture, a composite of five images taken Sunday (Sept. 6) from Shenandoah National Park in Virginia by NASA photographer Bill Ingalls, captures a "transit" of the International Space Station (ISS) across the solar disk.
05 September 2015, 12:11 AM ET
Boeing opened the doors to its commercial spacecraft processing facility, signaling the grand opening of the repurposed shuttle-era building and revealing Starliner as the name of the CST-100 crewed capsules that will be assembled for launch inside.
04 September 2015, 03:45 AM ET
A Russian Soyuz spacecraft carrying cosmonaut Sergey Volkov, the European Space Agency's Andreas Mogensen and Kazakhstan's Aidyn Aimbetov docked with the space station's Poisk module at 3:39 a.m. EDT (0739 GMT) Friday (Sept. 4).
03 September 2015, 06:20 AM ET
The return to flight of SpaceX’s Falcon 9 rocket, in a couple of months, will also be the first launch of an upgraded version of the vehicle.
02 September 2015, 06:25 PM ET
A series of gorgeous photos capture two different rocket launches that took place within 6 hours of each other, but thousands of miles apart, early this morning.
02 September 2015, 01:10 AM ET
Russian cosmonaut Sergey Volkov, Andreas Mogensen from the European Space Agency and Kazakhstan's Aidyn Aimbetov blasted off atop a Russian Soyuz rocket from Baikonur Cosmodrome in Kazakhstan at 12:37 a.m. EDT (0437 GMT) today (Sept. 2).
01 September 2015, 02:19 PM ET
A new crew of space travelers will blast off toward the International Space Station just after midnight ET on Wednesday (Sept. 2). You can watch the event live here on Space.com.
01 September 2015, 12:54 PM ET
A 40-year-old book that gave rise to one of NASA's most iconic logos is being launched back into print using Kickstarter. The NASA Graphics Standards Manual, first published in 1976, defined a new identity for the space agency, as led by the NASA "worm."
31 August 2015, 06:01 PM ET
Six scientists will live together, but totally isolated from the rest of the world, in a mock Mars colony for 365 days to learn about the psychological toll of a mission to Mars.
31 August 2015, 05:26 PM ET
Denmark's first astronaut is launching on a ten-day taxi flight to the International Space Station, taking with him a Danish toy that is known worldwide. Andreas Mogensen will fly to the station with LEGO minifigures bearing the official logo of his missi
31 August 2015, 02:48 PM ET
NASA began an early feasibility study for missions to the distant, mostly-ignored ice-giants Uranus and Neptune, a senior agency official said here Aug. 24.
28 August 2015, 07:00 AM ET
Whizzing across the solar system to a pinpoint landing is still just a dream for robotic spacecraft engineers — but a new technology co-developed at the Jet Propulsion Laboratory (JPL) could make distant destinations easier to reach precisely.
27 August 2015, 01:46 PM ET
Behind-the-scenes photographs reveal how the water storage tanks deep inside NASA's space shuttles Atlantis and Endeavour were extracted by the space agency for their use onboard the International Space Station.
25 August 2015, 06:30 AM ET
Commercial space stations could become a reality within the next 10 years if entrepreneurs and NASA can properly manage the tricky transition from the government-run International Space Station to privately built and operated facilities.
25 August 2015, 06:00 AM ET
The biggest challenges facing the private Mars One colonization project are financial rather than technical, so a big donation from a deep-pocketed person concerned about his or her legacy could make a huge difference, group representatives said.
24 August 2015, 05:07 PM ET
Fifty years ago, two NASA astronauts were more than one-third of the way through what was to be the world's longest space mission at the time. Gordo Cooper and Pete Conrad chose while setting yet another American first in space.
24 August 2015, 07:46 AM ET
A robotic Japanese cargo ship made a special delivery to the International Space Station on Sunday (Aug. 24), ending a four-day trek to ferry tons of food, supplies — and even a mouse habitat and (experimental) liquor — to the orbiting lab.
21 August 2015, 05:19 PM ET
Houston, we have a pop band. The hit U.K. boy band One Direction unveiled its latest music video "Drag Me Down" and it has a decisively out-of-this-world vibe thanks to NASA.
21 August 2015, 03:06 PM ET
The spacesuits worn by Neil Armstrong, the first man to walk on the moon, and by Alan Shepard, the first American in space, will be "conserved, digitized and displayed" thanks to the almost 9,500 people who backed the Smithsonian's first Kickstarter campa
21 August 2015, 07:00 AM ET
NanoRacks, a Houston-based company that helps commercial companies make use of the space station, has signed an agreement with the Beijing Institute of Technology to fly Chinese DNA research to the orbiting outpost next year.
20 August 2015, 11:34 PM ET
Tokyo-based Suntory Global Innovation Center, which has a division called Suntory Whiskey, launched a set of alcoholic beverages toward the International Space Station on Wednesday (Aug. 19) aboard Japan's HTV-5 freighter.
20 August 2015, 12:21 PM ET
As Scott Kelly sails on through his year-long mission, the veteran NASA astronaut has beamed down several videos from his perch on the International Space Station.
19 August 2015, 04:33 PM ET
The awesome new trailer for "The Martian" is full of thrilling and stressful moments, and raises important questions about the value of human life in space exploration.