When Jared Isaacman popped out of the hatch of the Dragon spaceship Resilience and into the vacuum of space, he really looked pretty spiffy. For the first time in history, a private citizen got ...

But why not shoot for the moon? Mercury/Gemini: The first space suits were modified U.S. Navy jet-aircraft pressure suits. Neoprene-coated nylon lined the inside; aluminized nylon covered the ...