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Our Alien Earth – NASA+ Series

Follow NASA scientists into the field as they explore the most extreme environments on Earth, testing technologies that directly inform NASA missions to detect and discover extraterrestrial life in the universe.

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NASA’s Chandra Finds Young Stars Dim Quickly

Scientists have found that young stellar cousins of our Sun are calming down and dimming more quickly in their X-ray output than previously thought, according to a study using NASA’s Chandra X-ray Observatory.

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Freedom 250

NASA Celebrates America’s 250th Birthday

Our spirit of adventure and innovation will raise our nation to new heights.

From the earliest days of exploration, to the first steps on the Moon and the missions shaping our future, NASA represents the spirit of discovery that defines our nation. As the United States approaches its semiquincentennial, Freedom 250 highlights how innovation, courage, and scientific leadership have carried America forward — and how NASA continues to expand the frontier for the next generation.

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A close-up of NASA's X-59 tail showing a NASA graphic on the tail. "X-59" on the side of the jet engine, and a Freedom 250 logo toward the front of the engine.
NASA’s X-59 is helping the nation celebrate the 250th anniversary of its independence with an update to its livery – its official paint job and insignia. The X-59 has sported a Freedom 250 logo on its engine since its second flight, and it will continue showing off the new detail with every upcoming test flight.
NASA/Carla Thomas