Kathy Sullivan traveled to Challenger Deep, nearly seven miles beneath the surface of the South Pacific. Already an accomplished astronaut, Sullivan made history with her trip to the site.
The docking came above China and Mongolia as the ISS was traveling at 17,000 mph. It docked 19 hours after the historic launch with NASA astronauts from the Kennedy Space Center.
Before he became an astrophysicist, Ray Jayawardhana was just a kid, looking up at the night sky with his father. "I remember being awed," he says. He's written a book called Child of the Universe.
With astronauts Doug Hurley and Bob Behnken strapped inside the capsule and the countdown narrowing, poor weather conditions forced an abort. The next opportunity to try will be on Saturday.
When Doug Hurley launched aboard Atlantis on July 8, 2011, the future of human spaceflight from U.S. soil was uncertain. Nearly a decade later, the astronaut is piloting SpaceX's new Crew Dragon.