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

NASA is backing a radically different way to reach space, one that swaps towering rockets for a ground-based launcher that whips payloads to orbital speeds before they ever see a drop of fuel. The ...

NASA has completed over 100 cold-flow tests of a full-scale nuclear rocket reactor prototype, demonstrating stable hydrogen ...

NASA’s GNEISS mission will use rockets and ground sensors to map three-dimensional electrical currents in auroras, offering direct measurements of auroral pathways in Earth’s upper atmosphere.

Industry disruptors like SpaceX and Blue Origin made some initial progress in their quest to become NASA’s go-to rocket ...

Pittsburgh aerospace startup Astrobotic just landed $17.5 million in government contracts to advance reusable rockets. Using Small Business Innovation Research grants — two from NASA and one from ...

In 2026, a first-of-its-kind spacecraft—launched on a rocket dropped out of a plane—will attempt to save NASA’s Swift observatory from a fiery demise. Yes, really. Reading time 3 minutes An ...

Forty years after the Challenger disaster, NPR explores the engineers' last-minute efforts to stop the launch, their decades ...

A NASA rocket launch that will carry four astronauts into space will be made of aluminum from Ravenswood’s Constellium ...