NASA begins its second Mars trial in Houston, where four volunteers will live for a year in a printed habitat called the CHAPEA program.
It will be the second such hearing for Isaacman, whose first nomination President Donald Trump pulled earlier this year.
Ready to watch SpaceX launch another rocket from California? Elon Musk's commercial spaceflight company will livestream the ...
On June 3, 1965, during the Gemini IV mission, astronaut Edward White made history as the first American to conduct a spacewalk. This milestone followed the world's first-ever spacewalk by Russian ...