Cassini view of Enceladus | NASA/JPL-Caltech

Methane on Saturn’s Moon Enceladus Could Be Sign of Life

Laboratory experiments show the methane detected on Enceladus by NASA’s Cassini spacecraft could be of biological origin.

Cassini image of Enceladus' geysers blasting material from the moon's subsurface ocean into space | NASA/JPL-Caltech/Space Science Institute