Participant 8179 reporting in on day 21 of bed rest. I have been in this bed for three weeks now, and I will be here for seven weeks more. Forty-four days ago, I had my last beer, last cup of coffee, ...

A trio of space agencies are looking for people who can help further the future of spaceflight. But don't expect to leave earth's orbit if you get picked for this mission, because you won't even be ...