As the price of space launch falls, the military wants to use rockets to send troops and supplies downrange in 90 minutes or less.

Whether in the real world, depicted in cartoons, or in a hobbyist's back yard, rockets always seem to have fins. Or if not fins, at least some other kind of protrusions along the outside -- they're ...

China’s rocket industry is racing to master rapid reuse, not just to match SpaceX’s Falcon 9, but to potentially vault past it in cost, cadence, and strategic reach. A wave of state-backed and private ...