Dozens of startups working on data centers, mining and pharmaceuticals are hanging on Elon Musk's long-stalled megarocket.

Astronomers have spotted a bizarre cosmic explosion that refuses to play by the rules—and it’s leaving scientists scrambling for answers. GRB 250702B, detected by NASA’s James Webb Space Telescope and ...

Space scientists have revealed details of a “surprise” explosion on the Sun. NASA’s Parker Solar Probe has discovered ...

For more than 60 years, nearly every large rocket used some combination of the same liquid and solid propellants. Refined kerosene was favored for its easy handling and non-toxicity, hydrazine for its ...