In a nutshell • Tiny atmospheric ripples called gravity waves, not large planetary waves, are the main drivers of Mars’s ...

In fact, it's carbon dioxide ice, and at Mars' south pole, there's 26-foot-thick (8-meter-thick) layer of it year-round. (These image was actually taken near the summer solstice, not the winter ...

Mars is closest to the sun during summer in its southern hemisphere, making that season shorter and hotter than summer in the North. Conversely, winter in the southern hemisphere occurs when Mars ...

Enjoy the Mars Triangle while it still lasts, for after mid-March it will be no more. We're now just past the midpoint of astronomical winter — that moment marking the midway point between ...