A new study finds that Arabia was once a green corridor of rivers and lakes, enabling animal and human migration between Africa and Eurasia over the past 8 million years. A new study published in ...

Tips based on personal experience, this best scenic drives in the USA list goes from California to North Carolina through ...

NASA astronaut Don Pettit captured two amazing videos of the auroras from his unique perch above Earth last week.

Rock outcrops, long regarded as passive geological features, may play an active and crucial role in shaping soil function in ...

California might have more campgrounds than any other state—and more visitors, too. These are the best uncrowded spots to ...

Emerging from a tight crevice into a hidden grotto with a small waterfall feels like discovering a secret room in the earth’s ...

Graceland, Civil War history, wildlife, country music, blues and Tennessee whisky are some of the things Tennessee is famous ...