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Martian Chemistry
After years of laboratory work, the results are finally in: A rock sample that NASA’s Curiosity rover drilled and analyzed in 2020 contains the most diverse set of organic molecules ever discovered on Mars. Of the 21 carbon‑based molecules identified, seven have never before been detected on the Red Planet.
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Mars Exploration
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Image Of The Day
A Fresh Look at the Crab Nebula
This image that NASA’s Hubble Space Telescope captured of the Crab Nebula, paired with its past observations and those of other telescopes, allows astronomers to study how the supernova remnant is expanding and evolving over time.
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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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