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.

After a four-day flight around Earth’s poles, four private citizens aboard a SpaceX rocket returned Friday with a splashdown ...

The scene takes on added meaning knowing that at least one of the crew members aboard the Dragon has a particular affinity for the sea. Williams ... the latest updates on rocket launches ...