The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its massive under-ice liquid water oceans. It also displays water vapor plumes ...

America's geological wonders don't need erupting volcanoes to create breathtaking spectacles that look straight out of a science fiction movie. From towering mushroom-shaped rocks to mysterious moving ...

But you don't need to leave Earth to experience landscapes that feel out of this world. From volcanic terrains to vast deserts, our planet is filled with extraordinary destinations that make you feel ...