NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage courtesy: NASA/NRL/B.Gallagher | edited by Steve Spaleta ...
The comet is the 3rd interstellar object ever detected and got its name from the ATLAS telescope that discovered it. NASA officials have rejected conspiracy theories that the object could be an alien ...
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NASA’s SPHEREx images 3I/ATLAS again, detects organic molecules in the interstellar comet
In December 2025, NASA’s SPHEREx mission took a fresh look at the interstellar comet 3I/ATLAS by turning on its infrared devices. This is the third such object passing through our solar system.
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