The expansion of one of the Mediterranean’s strongest powers wasn’t only driven by conquest, but also infrastructure. By ...

India’s river systems usually follow a familiar pattern. Most large rivers rise in the Himalayas or central highlands and ...

Submerged in Abu Qir Bay near Alexandria, Thonis-Heracleion was a major Egyptian port city linking Mediterranean trade with ...

A study published in Nature shows that many of the world's major river deltas are sinking faster than sea levels are rising, ...

Worldwide, millions of people live in river deltas that are sinking faster than sea levels are rising, research suggests.

The ability of the early toolmakers to select high-quality stone, produce sharp flakes, and return to familiar raw-material ...

Scientists are learning more about how water moves through the Grand Canyon, and how what happens above ground affects what ...