Apollo astronaut thinks sending humans to Mars is 'almost ridiculous'

Mars is the hottest topic in the space science world these days, with new rovers, orbiters, and landers finding out new and exciting things about the Red Planet with startling regularity. Multiple manned missions are already in their earliest stages, but not everyone is on board with the idea of sending humans to our most tempting planetary neighbor. In a new interview with BBC, former NASA astronaut and Apollo 8 lunar module pilot Bill Anders weighed in on the push to get mankind to Mars, and h...