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U.S. Spacewalk 99

NASA astronaut Jessica Meir and ESA (European Space Agency) astronaut Sophie Adenot will conduct a spacewalk outside of the International Space Station on Tuesday, Sept. 1, to replace a retroreflector that supports spacecraft navigation during rendezvous and docking operations. Live coverage begins at 7 a.m. EDT.

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Live Mission Updates

    NASA’s Nancy Grace Roman Space Telescope Launches

    A SpaceX Falcon Heavy rocket with NASA’s Nancy Grace Roman Telescope on board is seen transiting the sun during launch from Launch Complex 39A, Sunday, Aug. 30, 2026, at NASA’s Kennedy Space Center in Florida.

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    Space image with stars and swirls of colorful orange, red and white.

    Two-Day Aerospace Festival 

    MAX POWER

    Celebrate the spirit of American innovation at MAX POWER—an exposition of air and space technologies at Kennedy Space Center in Florida, Nov. 7-8.

    The two-day event will feature immersive experiences for all ages to enjoy, including air shows, skydiving stunts, technology demonstrations, spaceflight hardware, military aircraft, and behind‑the‑scenes access to America’s spaceport.
    In collaboration with Air Dot Show, UP Summit, Space Florida, Delaware North, and Purpose Entertainment, MAX POWER blends history, exploration, and the cutting edge of aerospace into an unforgettable experience.

    Learn More about MAX POWER
    A red, white, and blue NASA F‑15 is shown beside another jet aircraft during a cross‑country flight. The full F‑15 is visible, while only a portion of the F/A‑18’s red‑and‑white wing appears in the frame.
    A NASA F‑15 aircraft is shown flying next to a NASA F/A‑18 during a cross‑country flight from Spokane, Washington, to Washington, D.C., on July 2, 2026.
    NASA/Jim Ross