WASHINGTON — Rocket propulsion startup Ursa Major Technologies has secured a $28.5 million contract from the U.S. Air Force ...

Recent developments in science include a failed rocket launch by Firefly Aerospace, a major milestone in global nuclear ...

With the Raptor engine, SpaceX reimagined how rockets work—swapping kerosene for methane, adding dual cryogenic turbopumps, ...

NASA officials ordered the removal of one of the massive rocket's RS-25 main engines after discovering a hydraulic leak on the engine's main oxidizer valve actuator, which controls the flow of ...

The researcher focused on mapping “residual stress,” which is a hidden stress locked into metals during manufacturing, ...

The mission marked the first launch under a agreement between Firefly and Lockheed , which includes up to 25 missions over ...

TAE Technologies claims its setup produces 100 times the power of other designs at half the cost, but the road to commercial ...

NASA is not choosing hydrogen, electricity, or nuclear fusion as a desired fuel choice but exploring plasma-assisted ...

Tech expert Kurt “CyberGuy" Knutsson says 329,000 mph fusion rocket promises to be fast, disruptive and enable deep-space ...

Astra, the once high-flying rocket startup that crashed back to Earth with investors before going private last year, has ...

When the M5 is not at the limit, adaptive dampers relax the ride to luxury levels. Its seats are huge thrones with ...