Livestream a rocket launch or go behind the scenes with team that defends Earth against asteroids. NASA announces new channel ...

Ice would be a critical resource for future astronauts, if it can be extracted, because it can be turned into drinking water, air and even rocket fuel ... collectively as Prime-1, to the moon.

It's still free. The channel, which launched Tuesday, May 6, on Prime, is another way space enthusiasts can watch a variety of NASA programming – from rocket launches to original documentaries.