Explore these orbiting pioneers and learn what they've discovered. 3 min read The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of ...

Telescopes orbiting Earth can peer billions ... "It's a tough place to work," said Phil Puxley, of the National Science Foundation. "The air pressure there is almost 50 percent that at sea level ...

The full image includes some 2.5 billion pixels compiled from observations spanning more than 1,000 orbits around Earth ...

You look up and see the sky, down and see the earth, and all around you, the breathtaking scenes of National Geographic come to life on six massive screens. This is the National Geographic ...

Prices may change from the date of publication. Explore Scientific National Geographic 70mm solar telescope: Save 62% Explore the wonders of our solar system with the help of Explore Scientific's ...