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TESS

Still from a video of comet 3I/ATLAS produced using data from NASA's TESS mission, 15 and 18–19 January 2026. Credit: NASA/Daniel Muthukrishna, MIT

Comet 3I/ATLAS streaks across the sky in video captured by NASA's exoplanet-hunting spacecraft

NASA says scientists can use data to learn more about the comet's activity and rotation.
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A view of the northern sky captured by the TESS satellite. Credit: NASA/MIT/TESS and Ethan Kruse (USRA)

Eye On The Sky | TESS satellite produces mosaic image of northern night sky

While scouring the northern celestial hemisphere for distant worlds, the Transiting Exoplanet Survey Satellite has produced a mosaic of the night sky.
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An artist's impression of the Kepler Space Telescope observing exoplanets orbiting a star. Image Credits: NASA/Ames Research Center/Wendy Stenzel

80 possible exoplanets discovered by Kepler space telescope

A survey of 50,000 stars in the hunt for exoplanets is being lauded as a successful dry run for the new TESS telescope.
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An illustration of the TESS spacecraft observing an M dwarf star with orbiting planets. TESS is expected to move the hunt for exoplanets into the next era. Image Credit: NASA's Goddard Space Flight Center

Transiting Exoplanet Survey Satellite: the mission to find new worlds

Launched on 18 April 2018, NASA's TESS is the first of a new wave of exoplanet-hunting space telescopes that will scour the skies for new worlds.
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