George Clooney and Sandra Bullock try to survive in space after their shuttle is destroyed by debris.
CSA Astronaut Chris Hadfield demonstrates how astronauts sleep in space.
Dennis Hope has made a living selling plots of land -- on the moon.
This extraordinary video looks back on the third year of operation of NASA's Solar Dynamics Observatory.
Incredible footage of a powerful solar flare exploding on the sun, igniting a dazzling display.
Canadian astronaut Chris Hadfield demonstrates how he prepares a 0-g treat.
Jimmy Kimmel asks people if they saw an asteroid that hasn't passed yet.
Astronaut Chris Hadfield shows how the ISS crew clips their nails in space.
NASA is pretty confident the world won't come to an end on Dec. 21.
This is as hilarious as the record breaking jump was impressive.
An amazing LEGO rendition of the record-breaking jump.
Highlights of the record-breaking jump from the edge of space.
A 13 minute tribute to the first man to walk on the moon, produced by NASA Television.
Tardigrades are Earth's only known creature that could survive space's vacuum.
Neil Armstrong, the first man to walk on a world that was not Earth, has died. SciShow pays tribute.
Russian cosmonauts ready the International Space Station for a new module.
Neil deGrasse Tyson and NASA explore what it takes to stop an asteroid from colliding with earth.
David Letterman's Top 10 for August 16, 2012.