Irene Klotz

With lunar landings and future human missions to Mars as its goal, NASA and the U.S. space community should have a hard think about how they assess risk. “Say a crew launches to Mars, lands on the surface and comes back. Or maybe they just go around and come back alive. We'll call that a success,” U...

With the nation's spaceports struggling to keep up with an increasing demand for launch and support services, the U.S.

Blue Origin is shifting hot-fire testing of its New Glenn upper stage engines to NASA’s Stennis Space Center in Mississippi.

SpaceX conducted a successful, full-duration flight test of its Starship-Super Heavy launch system on July 24.

SpaceX is recovering the Starship Version 3 (V3) spacecraft that completed a 65-min. suborbital flight test on July 24, giving the company its first opportunity to analyze a flown Starship.

Starship-Super Heavy Flight 13 buoyed SpaceX's quest to develop a quick-turnaround, super-heavy, reusable space transport. The successful 65-min. suborbital flight on July 24 may provide the company enough confidence to attempt a launch tower return for the Starship upper stage on Flight 14, which has not yet been scheduled.

After a successful full-duration flight test and landing system demonstration, SpaceX 's next-generation Starship-Super Heavy launcher is on the cusp of orbital flight and tower returns.

A successful flight and soft landing put the Starship on the cusp of orbital flight.

SpaceX released images taken by Starlink Version 3 (V3) satellites that conducted 20-min. inflight demonstrations as part of the July 24 Starship-Super Heavy flight test.

Twenty years ago, in the wake of the Columbia accident and retirement of the space shuttles, NASA embarked on a bold experiment to turn over