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 ...

Interstellar dust clouds and inky stretches of deep space can appear dull to ordinary telescopes. But to a car-size telescope 26 million miles (41.8 million kilometers) from Earth, they are alive ...

This story appears in the July 2009 issue of National Geographic magazine. When you start stargazing with a telescope, two experiences typically ensue. First, you are astonished by the view ...

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 ...

Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.

This story appears in the August 2017 issue of National Geographic magazine ... what led astronomer Natasha Hurley-Walker to a radio telescope deep in the outback of Western Australia.

This story appears in the February 2017 issue of National Geographic magazine ... forming two “eyelids.” A telescope in Chile called the Atacama Large Millimeter/submillimeter Array, or ...

With next-generation telescopes, tiny space probes ... This story appears in the March 2019 issue of National Geographic magazine. In her office on the 17th floor of MIT’s Building 54, Sara ...

This story appears in the December 2011 issue of National Geographic magazine ... In 2006 a team of astronomers using the Hubble Space Telescope measured the motion of the Magellanic Clouds ...

Incredible moon and a spaceflight first From telescopes to GPS: military, space science are linked From telescopes to GPS: military, space science are linked Two Spiral Galaxies Collided.