K2-18 b: distant planet is the ‘best candidate for life’

Scientists discover water vapour on ‘potentially habitable’ exoplanet

K2-18b, Planet, star, Nasa
An artist’s impression of K2-18b
(Image credit: Nasa)

Scientists have discovered water vapour in the atmosphere of an exoplanet 110 light years from Earth, raising hopes of a breakthrough in the search for other habitable worlds.

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