The Sea Dragon, a declassified 1960s project, was a massive 500-foot-tall rocket designed to launch from the ocean, carrying huge payloads into space at a fraction of the cost.

A pod of bottlenose dolphins seemingly took interest in the capsule that dropped out of the sky, circling and surfacing as ...

Butch Wilmore and Suni Williams, who’ve been at the space station since June, will return to Earth along with two Crew-9 astronauts.