Movies: Jeffrey A. Hoffman

NASA launches its most ambitious hunt for traces of life on Mars, landing a car-sized rover in a rocky, ancient river delta. The rover will stow samples for possible return to Earth and test technology that may pave the way for human travel to Mars....

Dr. Jeff Hoffman became a NASA Astronaut in 1978. He participated in five space missions, becoming the first astronaut to log 1,000 hours of flights aboard the space shuttle. Dr. Hoffman has performed four spacewalks, including the first unplanned, c...

Astronauts who have seen the Earth from space have often described the 'Overview Effect', an experience that has transformed their perspective of the planet and mankind's place upon it, and enabled them to perceive it as our shared home, without boun...