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...

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...

Astronauts who have seen the Earth from space have often described the 'Overview Effect', an experience that has transformed their perspective of the...

A mind-bending, thrilling journey exploring the fragility and wonder of planet Earth, one of the most peculiar, unique places in the entire universe,...