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Image of the Day
Morning Sunglint Over the Pacific

Visit NASA's Image of the Day Gallery and see what's happening in spaceflight now.

Image of the Day Gallery

Mercury Transit
Mercury Transit

On May 9, 2016, Mercury will make a rare transit across the Sun. You can watch it happen too! Learn more here.

Latest ScienceCast
NASAs Next Great Space Telescope YouTube Video

Assembly of NASA's next great space observatory, the James Webb Space Telescope, is underway.

Watch our latest ScienceCast: NASA's Next Great Space Telescope