The four crew members of the private Fram2 mission returned to Earth on Friday after spending more than 3 1/2 days circling the planet on the first human spaceflight on a polar orbit. The SpaceX Crew Dragon Resilience made a parachute-assisted splashdown off the California coast at 9:19 a.m. Pacific time. The mission launched from Florida's Kennedy Space Center on Monday night. Chinese-born ...