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Saving Hubble Update

Saving Hubble Update

Two teams of spacewalkers take on unprecedented challenges to repair the world's most beloved telescope.

arrow Personal DNA Testing

Watch the astronauts prepare for the final mission in a 13-minute video story, see a web-exclusive video on the life of an astronaut, and more.

arrow Ask the Experts

Astronauts John Grunsfeld and Mike Massimino answer questions about their highly risky—and highly successful—2009 mission.

arrow Follow the Hubble Repair

NOVA producer Rush DeNooyer offers a day-by-day view of the 2009 mission from the inside.