Rising temperatures are fueled, in part, by declining cloud cover — which could be a potential climate feedback loop.

More information: Jesse A. Miller et al, Earth's Mesosphere During Possible Encounters With Massive Interstellar Clouds 2 and ...

In this video, delicate red-and-green-tinted clouds are seen drifting through the Martian sky in striking patterns that look similar to the ones Earth clouds make. Studying how and where on Mars ...