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 ...

Research suggests that rocket exhaust and debris could be threatening the ozone layer, though many uncertainties persist.

Reusable rockets have reshaped the economics of spaceflight by dramatically reducing the cost of launching payloads into orbit. Traditional rockets were single-use vehicles that burned up or crashed ...

This video explains how reusable rockets work, why they matter, and how they are helping reduce costs and expand access to ...