Chemical fingerprints of life have been found on a distant exoplanet by NASA's James Webb Space Telescope (JWST). It is the "most promising" evidence yet for alien life, scientists say.
These chemicals were detected in the atmosphere of an exoplanet named K2-18b, which is located 124 light-years away from Earth and orbits its star in the habitable zone — the region around a star where liquid water can exist on a planet's surface — according to a new study published in The Astrophysical Journal Letters on April 17.
