NASA senior contract photographer Bill Ingalls adds another spectacular space history photo to his decades-old collection.
Cats may not rely on their owners for safety and security the way dogs do, a new study has found.
Ridley Scott partnered with NASA scientists to make 'The Martian' as realistic as possible. 'The more that happened, the more I got excited,' says NASA's Jim Green.
Analysis of thousands of photographs of the Andromeda galaxy taken by the Hubble Space Telescope could help explain how stars were born in our own galaxy.