SpaceX Starship test ends in explosion off Florida's coast: What we know

SpaceX's eighth Starship test flight ended in failure after the rocket lost engines and control before exploding off Florida’s coast. The incident prompted the Federal Aviation Administration to order ground stops for multiple airports, which were lifted after about an hour and a half.

WATCH: SpaceX's Polaris Dawn crew completes first private spacewalk

Jared Isaacman, CEO of Shift4 integrated payment processing solutions, participated in the first ever private spacewalk by a group of astronauts who left a SpaceX capsule after a delay of a few hours, testing a new line of spacesuits in the company's riskiest mission yet.