New snow is forecast for northern Colorado's ski areas and high country heading into the second weekend of April after a ...

The Yellowstone region's Beartooth Mountains feature some of the most ancient rocks in North America — as old as 3.96 billion ...

In a revolutionary advancement in oceanography, scientists have created one of the most detailed maps of the ocean floor to ...

We've mapped the Moon more thoroughly than our own ocean floor, but a leap forward has come with NASA's SWOT satellite. Using ...