NASA astronaut Don Pettit celebrates his 70th birthday with a spectacular return from the International Space Station after 220 days in orbit.

WASHINGTON — Nearly 30 former NASA astronauts have signed a letter endorsing Jared Isaacman as the agency’s next administrator, calling on the Senate to consider his nomination as soon as ...

A group of former NASA astronauts has signed a letter of support for Jared Isaacman, saying, “We believe that Jared Isaacman is uniquely qualified to lead NASA at this critical juncture. As an ...