30 August 2015, 11:10 AM ET
Mars One seeks billionaires, Ceres and Dione get close-ups, a Martian hoax is debunked and Stephen Hawking solves a black hole conundrum in Space.com's top stories for this week.
30 August 2015, 11:00 AM ET
A Japanese cargo ship that arrived on Monday at the space station delivered an astrophysics telescope that will join the flagship Alpha Magnetic Spectrometer in hunting for cosmic rays.
28 August 2015, 09:33 PM ET
From stunning rainbow jets to Saturn's Moon Dione, don't miss these amazing space images.
28 August 2015, 03:24 PM ET
Astronaut Scott Kelly and cosmonaut Gennady Padalka took the Soyuz TMA-16M spacecraft out for a ride to change parking spaces. The "brief flyover and redocking" occurred on August 28th, 2015.
27 August 2015, 06:19 PM ET
The author of "The Martian" suspects a lack of cooperation from Congress will push NASA's first manned mission to the Red Planet back to the middle of the century.
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.
24 August 2015, 07:40 AM ET
A potential advancement in the United States’ electric propulsion capability for the future of spaceflight is being underscored by a new NASA contract to support work on the VASIMR project - short for the Variable Specific Impulse Magnetoplasma Rocket.
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, 02:00 PM ET
In a series of high-profile television interviews, astronaut Scott Kelly told reporters about his daily life in space, and his favorite TV shows to watch in orbit.
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, 04:50 PM ET
"The Martian" star Matt Damon, director Ridley Scott and Andy Weir, who wrote the book on which the movie is based, visited NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California, on Tuesday (Aug. 18).
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.
20 August 2015, 07:57 AM ET
NASA ordered two more cargo deliveries to the International Space Station from Orbital ATK under a 2008 Commercial Resupply Services (CRS) contract, a company spokeswoman said Aug. 12.
20 August 2015, 07:25 AM ET
The Missile Defense Agency hopes to draft a preliminary design for a new kill vehicle by the end of the year.
19 August 2015, 05:34 PM ET
Journalist Stephen Petranek thinks living on Mars is far more than science fiction — he believes it will happen within the next 20 years.
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.
19 August 2015, 08:00 AM ET
Japan's fifth H-II Transfer Vehicle (HTV-5) blasted off atop an HII-B rocket from Tanegashima Space Center today (Aug. 19) at 7:50 a.m. EDT (1150 GMT, 8:50 p.m. local Japanese time).
18 August 2015, 03:54 PM ET
In TWO stunning orbital photos, a thunderstorm over Mexico generated two huge, red sprites reaching into space.Ω
18 August 2015, 03:45 PM ET
Japan's fifth H-II Transfer Vehicle (HTV-5) is scheduled to blast off from the nation's Tanegashima Space Center Wednesday at 7:50 a.m. EDT (1150 GMT). You can watch it live at Space.com, beginning at 7 a.m. EDT (1100 GMT), courtesy of NASA TV.
18 August 2015, 07:39 AM ET
Every space-exploration mission could soon by manned. That's the vision of SpaceVR, a startup that aims to launch virtual-reality cameras to the International Space Station, the moon, Mars and anywhere else that spacecraft may travel in the future.
18 August 2015, 07:01 AM ET
The upcoming addition of a private inflatable "room" to the International Space Station could help pave the way for colonies on the moon and Mars.
17 August 2015, 03:30 PM ET
After nearly 20 years gazing at the sun, the SOHO spacecraft is about to spy its 3,000th comet.
17 August 2015, 11:28 AM ET
Space enthusiasts and sci-fi fans, rejoice: The space elevator may be one step closer to reality. A Canadian space company has been awarded a patent for a space elevator that would reach 12 miles (20 kilometers) above the surface of our planet.
17 August 2015, 10:10 AM ET
NASA's retired space shuttle Endeavour, on exhibit in Los Angeles since 2012, has been called back into service — or rather, parts of it have — for the benefit of the International Space Station. NASA will remove four water tanks.
16 August 2015, 09:00 AM ET
NASA astronauts eat space-grown lettuce for the first time, and burying people on the moon gets easier — here are Space.com's best space stories of the week.
15 August 2015, 07:00 AM ET
From the magnificent Milky Way to a tribute to Leonard Nimoy, don't miss these stunning space images.
13 August 2015, 11:02 PM ET
Scientists at the space agency's Jet Propulsion Laboratory (JPL) in Pasadena, California, are developing a "gecko gripper" system that could help robots inspect and repair the International Space Station.
13 August 2015, 07:48 PM ET
13 August 2015, 07:09 PM ET
13 August 2015, 05:15 PM ET
The agency performed a nearly 9-minute-long "hot fire" test of an RS-25 engine — four of which will power the core stage of the Space Launch System megarocket — at Stennis Space Center in Mississippi today (Aug. 13).