The NationalVirgin Galactic spaceship crashesOct 31, 2014 | 2:28A Virgin Galactic spaceship crashed during a test flight in California. One of the two pilots on board was killed, the other seriously injured.
The NationalCelestial equivalent of a near collisionOct 19, 2014 | 1:46A four-and-a-half billion year old comet passed by Mars today with a fleet of sophisticated spacecraft capturing every moment of it.
The NationalChris Hadfield on taking photos from spaceOct 17, 2014 | 10:48Canadian astronaut Chris Hadfield talks with Wendy Mesley about his photographs from space, the earth and what earthlings should worry about.
The NationalWhen science meets soccer (or when physics meets football)Jun 28, 2014 | 2:42Former astronaut Chris Hadfield looks at the aerodynamics of the ball being used at the 2014 World Cup in Brazil.