The coyote (Canis latrans) is a highly adaptable member of the canine family, native to North America and closely related to ...

Earth is called the Blue Planet because 71% of its surface is covered with water, giving it a blue glow when seen from space.

Tribes including the Blackfeet, the Lower Brule Sioux, the Cheyenne River Sioux and the Crow have done the same in response ...

When snow falls on the ice sheet, where subzero temperatures ensure it doesn’t melt. Antarctic temperatures regularly reach ...

The Canyon's Age Sparks Fierce Scientific Debate Scientists have spent over a century arguing about when the Colorado River ...

Safford, his team and this writer are in the Inyo National Forest in the Southern Sierra Nevada mountains, more than 11,000 ...