A one way ticket to Mars
Chris Hayes talks to a NASA engineer who's among the 100 finalists selected by Mars One to compete for the chance to help establish a permanent colony on Mars.
Wife of imprisoned NASA scientist calls his sentence a ‘sick joke’04:47
What does the EPA closing its key science office mean for the future?05:36
Japanese billionaire to be the first tourist on the moon04:34
One More Thing: NASA considering allowing advertising in space01:24
Gen. McCaffrey: ‘Space Force is a thoroughly stupid idea’02:28
What could the U.S. get with the Space Force's $8 billion budget?02:58