Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf star from view, after it drastically dimmed a sun-like star for around nine ...
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Are we seeing the first evidence of alien life?
James Webb has detected a molecule in the atmosphere of the exoplanet K2-18b that could be linked to life. The molecule, dimethyl sulfide or DMS, is produced on Earth only by biological processes. In ...
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