The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...
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Alien probe or ancient ice? The enigma of 3I/ATLAS

This is not the first time that a comet is accusing it of being a spy. However, 3I/ATLAS, which was introduced on July 1, ...
The unusual specimen raised eyebrows because it appeared capable of causing levitation. An official investigation has not ...
Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from ...
Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...
NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.
From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...