A billionaire astronaut and his crew have returned to Earth after taking part in the first private spacewalk. Polaris Dawn, operated by SpaceX on behalf of billionaire Jared Isaacman, splashed down at 8.37am today (UK time) in the Gulf of Mexico near Florida’s Dry Tortugas in darkness due to it being night-time locally. Carrying … Continue reading Polaris Dawn: Billionaire astronaut and crew return to Earth after first private spacewalk