A wealthy bitcoin entrepreneur and three fellow adventurers plunged back to Earth aboard a SpaceX Crew Dragon capsule Friday, splashing down in the Pacific Ocean off the coast of southern California to close out the first crewed flight around Earth's poles.

Four private astronauts returned to Earth in a SpaceX capsule on Friday after roughly four days orbiting the planet in a novel polar trajectory, walking out of their spacecraft with little assistance to cap off the Elon Musk-led company's sixth fully private space mission.

Described as the “perfect space crop,” the nutritious and ready-to-eat fungus could be a key stepping stone toward fueling crew members during long-term spaceflight