Interstellar comet 3I/ATLAS dramatically brightened after passing the Sun, with Harvard astrophysicist Avi Loeb warning it ...

Nov. 20 (UPI) --NASA released images of the interstellar comet 3I/ATLAS flying past Mars and, based on the agency's observations, scientists expressed doubt that it is an alien spaceship. Space ...

Add Yahoo as a preferred source to see more of our stories on Google. Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh ...

NASA released images of the interstellar comet 3I/ATLAS, the third interstellar comet that NASA, ESA and other global agencies have tracked. Photo by NASA Nov. 20 (UPI) --NASA released images of the ...

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The 3I/ATLAS comet, which some space boffins believe may be an alien craft, was spotted emitting life-giving organic matter into the cosmos by NASA telescope SPHEREX ...

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.