Mars Express captures signs of spiders on Mars

The European Space Agency's Mars Express has captured images of spiders on Mars. However, the "spiders" aren't the usual insects you would expect when hearing that word, though they do resemble the spiders we see here on Earth.

Instead, the Martian spiders are actually dark spots between 45 meters and one kilometer across, which have begun to appear as gas bursts free of the Martian surface in the springtime, bringing with it dark material from below the surface. The specks are most prominent in Mars's Inca City...