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

After an unprecedented streak of 267 successful landings, SpaceX's Falcon 9 rocket booster dramatically exploded on a drone ship after completing its 23rd mission. Discover what went wrong and what it ...

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

For more than 60 years, nearly every large rocket used some combination of the same liquid and solid propellants. Refined ...