ABL completed a key fueling test with its RS1 rocket on the pad at Pacific Spaceport Complex on Alaska's Kodiak Island this week and is working to finalize the window for its debut launch.
NASA's SLS rocket spent over a decade in development, and each of its launches of the Orion crew capsule is expected to cost about $4.1 billion.
The uncrewed Artemis 1 mission carries a suite of experiments designed to learn more about the moon and deep space, and how to keep astronauts safe far from home.
John Grunsfeld says NASA should embrace and expand the partnership between human space explorers and robotic ones.
Senior officials from companies selected by NASA to develop new low Earth orbit space stations are eager for market input to drive their purpose.
The sixth Space Based Infrared System Geosynchronous Earth Orbit satellite lifted off this morning (Aug. 4), completing the SBIRS GEO constellation for the U.S. Space Force.
Russia won't rush its exit from the International Space Station, but the nation is planning ahead for when that day arrives.
The ISS can't fly forever, and NASA officials envision a diverse market of commercial space stations taking its place as demand for access to low Earth orbit continues to increase.
"Escaping Gravity" tells the story of Lori Garver's rise to be NASA's second in command, and how she brought one of the agency's most successful programs to reality.
A SpaceX Dragon cargo capsule met up with the International Space Station on Saturday (July 16), delivering more than 5,800 pounds (2,630 kilograms) of supplies to the orbiting lab.
A SpaceX Falcon 9 rocket launched from NASA's Kennedy Space Center in Florida this evening (July 14), sending a robotic Dragon resupply craft toward the International Space Station.
A missile-warning satellite and another spacecraft are on their way to orbit to help the U.S. military get better at tracking fast-moving threats.
A United Launch Alliance Atlas V rocket is scheduled to launch two satellites for the U.S. military on Friday (July 1), and you can watch the action live.
NASA officials have declared the Artemis 1 moon rocket's most recent "wet dress rehearsal" a success and are hopeful the mission can get off the ground as soon as late August.
NASA officials are pleased with Artemis 1's performance during its recent "wet dress rehearsal" but need more time to determine its readiness for launch.
SpaceX and OneWeb have written a joint letter to the U.S. Federal Communications Commission declaring harmony in orbit for spectrum coordination between their satellite-internet constellations.
NASA's Artemis 1 moon mission completed a crucial preflight milestone today (June 20), wrapping up a two-day set of tests known as a wet dress rehearsal.
NASA's Artemis 1 moon rocket will start its "wet dress rehearsal" this evening (June 18), beginning a series of crucial launch countdown tests that will last through Monday (June 20).
The Space Launch System rocket that will fly NASA's Artemis 1 moon mission is at the pad for a critical launch countdown simulation this weekend.
The crew for the first mission in the privately funded Polaris program is scaling new heights to prepare for their record-breaking SpaceX flight later this year.
France is the most recent signatory to the Artemis Accords, NASA's international agreement to establish best practices for ongoing cooperation on moon exploration.
The world's largest plane took off for its sixth test flight on Thursday (June 9) but ended up landing before completing all of its flight objectives.
Elevated vapor measurements during propellant loading of SpaceX's Dragon cargo capsule have delayed the launch of the CRS-25 mission to no earlier than June 28.
Ingenuity's handlers are preparing the little chopper for operation in the bitter cold of Martian winter, as nighttime temperatures have begun to drop below its design parameters.