5 min read # How Open NASA Data on Comet 3I/ATLAS Will Power Tomorrow’s Discoveries Interstellar comet 3I/ATLAS on ## Nov. 30 , 2025, as observed by the Wide Field Camera 3 instrument on NASA’s Hubble Space Telescope. NASA missions all across the solar system have collected data about the comet to be shared in public archives. NASA, ESA, STScI, D. Jewitt (UCLA), M.-T. Hui (Shanghai Astronomical Observatory). Image Processing: J. DePasquale (STScI) The interstellar comet 3I/ATLAS will soon leave our solar system, never to return, but the observations of the comet will live on in NASA’s public data archives. More than a dozen NASA science missions turned their instruments to observe the comet, which is only the third identified object to be visiting our solar system from interstellar space. ## How open data first captured 3I/ATLAS The NASA-funded ground-based ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile first discovered 3I/ATLAS July 1, 2025.…