Read More: Elon Musk just unveiled SpaceX's audacious new plan to build cities on Mars But for us Earthlings, surviving on a planet with a ... we know it cannot exist without beneficial ...

Mars, one of our closest planetary neighbors, has fascinated people for hundreds of years, partly because it is so similar to ...

The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ...