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An interstellar comet is tearing through our solar system, and its chemistry is unlike anything here
Interstellar comet 3I/ATLAS is carrying chemical signatures that do not match anything formed in our solar system. Observations from NASA’s James Webb Space Telescope in December 2025 produced the ...
Exoplanets are used to the limelight – exocomets less so. Now, a fresh crop of comets found around alien stars suggests that these icy dirt-balls stalk solar systems across the Milky Way. Discs of ...
Comets have played an interesting role in the history of astronomy. Since antiquity, many cultures saw them as omens or spirits, portending good or bad news for kings, queens and emperors. Over the ...
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