Engineers were able to fully fuel NASA's Artemis II moon rocket without any signs of leaks like the ones that derailed an ...

NASA’s Artemis II wet dress rehearsal ended early this month when a liquid hydrogen leak forced controllers to terminate the ...

Liquid hydrogen fuel leaks forced NASA to delay the launch of Artemis II—the same scenario it encountered four years ago ...

Orbit Fab, a startup developing in-space refueling services, plans to work with lunar exploration company ispace on propellant harvesting and delivery. Credit: ispace and Orbit Fab SAN FRANCISCO – ...

NASA’s rehearsal for Artemis II marks one of the final steps before four astronauts get launched into deep space for the first time since the Apollo program ended.

In theory, water-based propulsion systems are a low-cost, safer alternative to conventional engines. Water is easier to ...

CAPE CANAVERAL, Fla — The lunar lander built in Pittsburgh is still operating after a propellant leak started when the spacecraft separated from a rocket Monday, but the company that built it says ...

General Galactic, cofounded by a former SpaceX engineer, plans to test its water-based propellant this fall. If successful, it could help usher in a new era of space travel. That's a big “if.” ...

Ukrainian Security Service drones hit a Russian factory that produces propellant components for Kh-55 and Kh-101 missiles.

NASA has selected a team led by Ball Aerospace & Technologies Corporation of Boulder, Colo., for a technology demonstration of a high performance “green” propellant alternative to the highly toxic ...