Were those"alien farts" that the James Webb Space Telescope detected in an Earth-like planet's atmosphere last year, or were they just clouds of methane? A new study makes the case for the latter, potentially dampening hopes that life has already been discovered beyond our solar system.
The detection came with caveats, however, mostly based on the faintness of the chemical signals when seen at such extreme distances from Earth. By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.The team determined that DMS can reach detectable levels — as long as the hypothetical critters in K2-18b's oceans pump out 20 times more DMS than plankton do on Earth.
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