A distant planet seems to have a sulphur-rich atmosphere, hinting at alien volcanoes

Today, we know of more than 5,000 exoplanets: planets outside our solar system that orbit other stars. While the effort to discover new worlds goes on, we’re steadily learning more about the exoplanets we’ve already detected: their sizes, what they’re made of and whether they have atmospheres. Our team has now provided tentative evidence for […]

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