Everyone knows what a sunset looks like. Reds and oranges bleeding across the horizon, the day fading out the way it always has. Then you visit Mars, where the exact opposite happens. The daytime sky ...
The James Webb Space Telescope (JWST) has made a weather forecast for the exoplanet WASP-94Ab, a world with clouds of sand in the morning that gradually give way to a clear sky at sunset. It is the ...