publisher_rssPhys.orgSep 29, 2026

Alien life? Why the possibility of exoplanet LHS 1140b emitting helium gas is so exciting

This summer, exoplanet science—the study of planets orbiting stars beyond our sun—took a big step forward. Reports of helium gas escaping from the atmosphere of LHS 1140b propelled this exoplanet from the pages of scientific journals into the mainstream media.

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Alien life? Why the possibility of exoplanet LHS 1140b emitting helium gas is so exciting

Background from the Knowledge Base

Habitable Exoplanets: Where Could Alien Life Exist?

Do Aliens Exist? What Science Actually Knows in 2026

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