NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft. It is an attempt to rewrite the basic rules of how far, how fast, and how ...

The U.S. Air Force Research Laboratory achieved a significant propulsion milestone when a Draper rocket engine reached ...

SpaceX chief Elon Musk said in February that the mighty Starship rocket would embark on its 12th test flight this month, although several more recent reports have suggested that it might not leave the ...

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolith, hued ...

SEOUL, South Korea — North Korea said Tuesday it had conducted the final ground test of a solid-fuel rocket engine for a long-range ballistic missile in its latest advancement toward having an arsenal ...