NASA squashes rumors of astronaut Sunita Williams' health that has been floating around social media.

Jared Isaacman is a high-school-dropout-turned-billionaire who was once nominated to lead NASA. Now he's been dragged into Trump and Musk's feud.

How flight suits have evolved to keep astronauts safe in space Today’s high-tech spacesuit materials are a far cry from the cotton and rubber used by early high-altitude pilots.