The optical illusion occurs because people are used to interpreting shadows as coming from an overhead light source. But that's not necessarily the orientation of spacecraft. In many satellite photos, ...

A NASA astronaut onboard the International Space Station has shared 'breathtaking' images of 'the world and beyond'.

As difficult a technological feat as the Apollo moon program proved, within seven years NASA had met Kennedy's challenge and ultimately sent a dozen astronauts to the surface on six missions ...

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Your browser does not support the video element. The moon NASA is seeking ...

By Sarah Scoles When the astronauts of Apollo 11 went to the moon in July 1969, NASA was worried about their safety during the complex flight. The agency was also worried about what the ...