Access to each live talk costs $20. Attendees can also choose to add on a "Astronaut Meet 'N' Greet" package for an additional $75, which includes one-on-one time with the astronaut t" at 7 p.m ...

With this extended mission, Vande Hei spent 355 days in space and currently holds the record for longest-duration spaceflight by an American astronaut. But still, he did not spend a full year in ...