Hubble Space Telescope Hubble Space Telescope

Larkin Carey, an optical engineer with Ball Aerospace, examines two test mirror segments designed for the James Webb Space Telescope. The mirror for the scope is extremely powerful, but heavy and pricey. NASA hide caption

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NASA

Could Glitter Help Solve NASA's Giant Telescope Problem?

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NASA/ESA/M. Buie (Southwest Research Institute)

Oh, Snap! NASA Promises Best Photo Yet Of Faraway Pluto

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Artist concept of New Horizons spacecraft. The Hubble Space Telescope is being pressed into service to help scientists look for a post-Pluto target for the space probe. Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute hide caption

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Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute