Space

Atmosphere On 'Earth-Like' Planet Detected for First Time

Is LHS 1140b a landmark discovery in the search for alien life or just a scientific curiosity beyond human reach?

Published JUL 17

Atmosphere On 'Earth-Like' Planet Detected for First Time

Story

The Spin

Narrative A

Detecting a helium atmosphere on an Earth-sized planet is a landmark achievement that fundamentally advances the search for life beyond our Solar System. This breakthrough proves red dwarf stars could sustain habitable worlds. The sheer difficulty of pulling this off makes the discovery even more extraordinary.

Corey S. Powell on X

Michael W. Deem on X

Narrative B

This is an intriguing discovery but shouldn't be oversold — LHS 1140b's crushing gravity, freezing potential and 49-light-year distance make it a scientific curiosity, not a realistic candidate for human life. Any ecosystem there would be utterly alien. Robot explorers are the only practical option for centuries to come.

Jubal Hardin on X