SpaceX Polaris Dawn astronaut Jared Isaacman briefly "touched the void" as he embarked on the first-ever private spacewalk Thursday (Sept. 12).

Isaacman entered the void of space around 6:50 a.m. EDT (1050 GMT), and Gillis left the hatch at 7:04 a.m. EDT (1104 GMT). The cabin began repressurizing at 7:14 a.m. EDT (1114 GMT), according to ...