NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, ...

How do you control a nuclear space propulsion system? Very carefully. To help with this, the Oak Ridge National Laboratory ...

China completes second hot-fire test for new moon rocket, including engine restarts China conducted a rocket stage hot fire ...

SpaceX is expected to fire the Ship’s engines on Wednesday or Thursday. It’s already tested the Super Heavy engines, so if the Ship’s static fire goes well and no anomalies occur, SpaceX will be ready ...

NASA's Artemis II SLS (Space Launch System) rocket poised to send four astronauts from Earth on a journey around the Moon ...

Former NASA deputy chief and shuttle commander Pam Melroy has joined Venus Aerospace's board after its groundbreaking RDRE flight, bringing her decades of experience to help scale the startup's ...

Despite president Donald Trump's plans to phase out Boeing's mega-expensive Space Launch System rocket for NASA, the agency is currently trundling ahead with the original plan. As Ars Technica reports ...

Venus CEO Sassie Duggleby said bringing Melroy made a lot of sense. "Her career has run the gamut of all the areas that we're trying to hit. Once we got introduced to Pam, it was an absolute ...

Spacecraft have used a plutonium isotope to stay afloat for decades, but another isotope could last even longer.