Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center Trump releases classified JFK files on assassination. Here's what they say.

CHARLOTTE, N.C. — A cooling system failure forced driver and team owner Brad Keselowski to receive medical attention following the NASCAR race at Circuit of the Americas on Sunday. Keselowski was ...

VDR2 offers a single engine solution from Mach 0 to Mach 6. This marks the first successful Rocket-Based Combined Cycle test. The engine architecture was unveiled in October at UP.Summit and combines ...

While one version of Neutron's 3D-printed rocket engine Archimedes was hot fired in August last year, BSR noted that a new, 200 kg lighter version two of the power plant appeared in January this year, ...

Chinese scientists claim to have found a new way of injecting helium into rocket engines, which could be used to make missiles that are much harder to detect or intercept. The new technology was ...