Where there’s a tree, there’s usually a forest. But not always. A biologist describes some of the loneliest trees on planet ...

By the end of this century, typical daily temperatures in West Africa will be even higher than those registered on the hottest days of the year at present, according to a new study by climate ...

Check out the surprising diversity of life living in the arid climate of Joshua Tree National Park. How many will you see?

Yuma, Arizona basks in sunshine all year, offering travelers warm winters, rich history, and endless outdoor adventures under brilliant skies.

When you think of deserts, you might envision isolated wastelands confined to single nations. Yet the world's most massive ...

Abstract: This letter proposes a hidden Markov model–Gaussian mixture Model-based tandem approach for efficient classification of human and animal footfall signals acquired from seismic sensors buried ...