
Helium escapes LHS 1140b: Nature confirms an atmosphere in a habitable-zone rocky exoplanet
The signal is helium escaping into space, tightening the odds that LHS 1140b could sustain conditions relevant to life.
By Salman Al-Amri·· 3 min

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3 briefings · “helium”

The signal is helium escaping into space, tightening the odds that LHS 1140b could sustain conditions relevant to life.
Helium is being lost, and Nature’s study lets scientists infer what atmosphere remains after billions of years of stripping.

A first for rocky exoplanets: direct atmospheric helium evidence, plus the added pressure of habitability questions.