With more than 27 years of service, the space shuttle Discovery has clocked more time in space than any other shuttle. She has flown more than 148 million miles, and has ...

Mission Asteroid A killer asteroid is on its way to Earth -- what can we really do to stop it? Are we destined to go the way of the dinosaur? Killer asteroids have long p ...

The Pacific War in Color immerses viewers in a graphic and dramatic look through an unfiltered lens. ...