Space & Astronomy
Beyond the Goldilocks Zone: Why a Planet's Location Is Only the First Test for Habitability
The 'habitable zone' is only the first test for exoplanet habitability; factors like stellar stability, atmospheric protection, and bioessential elements are critical. Accurately identifying biosignatures, distinguishing them from abiotic processes, remains the ultimate challenge in finding life beyond Earth.
Dr. Alistair Finch·October 26, 2026