Sept. 21, 2006 -- -- In the Cydonia region of Mars' northern hemisphere is a massif, a large outcropping of rock that protrudes upward from the surrounding plain. Or maybe it's a face. That's the ...

Humans have been fascinated by Mars for generations, and with the invention of telescopes and later probes, we have been working hard to explore the red planet as much as possible. Over the years, ...