Ancient DNA extracted from a sediment core from a high-altitude Pyrenean lake in Spain reveals that fish may have been added ...

Ancient practices hold important lessons for farmers facing drying lands, but they were often more complex than modern societies realize. Glacier loss adds to the challenge today.

A recent study has uncovered a long-forgotten landscape hidden beneath the vast expanse of Arabia’s Empty Quarter—one of the ...

The desert that we see today in Arabia was once a region that repeatedly underwent "green" periods in the past, as a result ...