Tens of thousands of residents in Washington were poised to evacuate, as days of heavy rain sends rivers bursting over their ...

Discover of Colorado’s most beautiful hiking trails from alpine lakes to red rock wonders—perfect routes for epic views, ...

Light-colored rocks scattered across Mars have become a quiet clue to a louder story about the planet’s past. NASA’s Perseverance rover keeps finding pale pebbles, cobbles and even small boulders ...