NASA and the European Space Agency announced Monday that the James Webb Space Telescope has produced the first mid-infrared chemical fingerprint ever obtained from an interstellar object, detecting ...

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The interstellar comet 3I/ATLAS contains water and carbon molecules at levels never before seen in our solar system. This suggests that it formed around an alien star radically different from and much ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...