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Image of the Day
James Webb Space Telescope's Golden Mirror

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
The 2016 Transit of Mercury YouTube Video

On May 9th, Mercury will move across the face of the sun, offering a rare viewing opportunity for professional astronomers and backyard sky watchers alike.

Watch our latest ScienceCast: The 2016 Transit of Mercury