One hundred twenty-four light years from Earth, a telescope just caught a whisper of something that should not exist without life. The James Webb Space Telescope locked onto a planet called K2-18b, and inside its atmosphere, it found a molecule that, on our world, only living oceans produce. We are about to travel to a sun the color of dying embers, sink into a sea wider than any continent, and stand inside the strangest alien sky humanity has ever measured. If wonder still moves you, take a second to like and subscribe. Now hold your breath. We begin.
