NASA’s Stennis Space Center has quietly cleared a major hurdle for Artemis IV by finishing activation of a new high-pressure water system that will shield hardware from the force of full-scale rocket tests.

NASA vs SpaceX rockets compared on cost, technology, and performance, revealing how reusability and innovation reshape modern spaceflight missions.

A test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to launch astronauts on a mission around the moon.

NASA’s Artemis II mission, the next crewed trip around the Moon, may face another delay due to technical issues with its liquid hydrogen fuel system. The historic mission will carry four astronauts, including Reid Wiseman and Victor Glover,

High-altitude flight is getting increasing attention from sectors ranging from telecommunications to emergency response. To make that airspace more accessible, NASA is developing an air traffic management system covering those altitudes and supplementing its work with real-time data from a research balloon in Earth's stratosphere.

Two next-generation satellite missions announced Thursday will help NASA better understand Earth and improve capabilities to foresee environmental events and mitigate disasters.

NASA has contracted with autonomous aviation company Xwing to support the development of safety systems for pilotless aircraft. Under the three-year agreement, Xwing will share data gathered from its flight and ground operations in the US National Airspace ...

NASA launched two sounding rocket missions from Alaska to measure auroral electrical currents and study geomagnetic storm impacts on Earth’s upper atmosphere and space-based systems.

NASA's infrared telescope SPHEREx captured stunning images of interstellar comet 3I/ATLAS as it exited the solar system.

NASA will try again to fuel up its Artemis 2 moon rocket on Feb. 19. If all goes well, the crewed mission could launch as soon as March 6.