Space Telescope Science Institute

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NASA builds its next flagship space telescope to map the dark universe

As of May 2026: Designated to manage Roman's science operations

NASA's Nancy Grace Roman Space Telescope is fully built and targeting a September 2026 launch — eight months ahead of schedule. Its 300-megapixel infrared camera has a field of view 100 times wider than Hubble's and will photograph a billion galaxies and discover more than 100,000 new worlds in its first five years.

Updated May 31