TESS tracks interstellar comet 3I/ATLAS: NASA’s exoplanet hunter measures a rare visitor’s spin.
BY:SpaceEyeNews. NASA’s planet-hunting spacecraft just switched roles in a big way. During a special January 2026 campaign, TESS tracks interstellar comet 3I/ATLAS across a crowded… TESS tracks interstellar comet 3I/ATLAS: NASA’s exoplanet hunter measures a rare visitor’s spin.