But evaporation, freezing and rocks can’t quite account for all the water that must have covered Mars in the distant past. Calculations suggest the “missing” water is enough to cover the planet in an ...

Evidence is mounting that a secret lies beneath the dusty red plains of Mars, one that could redefine our view of the Red ...

Evidence is mounting that a secret lies beneath the dusty red plains of Mars, one that could redefine our view of the Red ...

Evidence is mounting that a secret lies beneath the dusty red plains of Mars, one that could redefine our view of the Red Planet: a vast reservoir of ...

For Americans planning cruise ship vacations this spring or summer, there could be reason to worry about more than rough seas ...

Located in Arizona’s high desert, Sedona is anything but your run-of-the-mill small town. What hooks people – and keeps ...