NASA's achievements include the 1958 launch of Explorer 1, the 1969 Apollo 11 moon landing, and the Hubble Space Telescope's revelations. Notable accomplishments also cover the Chandra X-ray ...

From the lunar landing to the launch of the Hubble Space Telescope, here are some bold space missions in history.

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 ...

(CNN)-- NASA postponed the landing of space shuttle Atlantis ... Atlantis launched May 11 for NASA's final repair visit to the Hubble Space Telescope. The space shuttle's astronauts conducted ...

It essentially made Hubble into a new telescope. "ACS has roughly ten times the discovery power of the previous camera," says Mario Livio, astronomer at the Space Telescope Science Institute in ...