A dataset unveiled today more than doubles the documented stream miles in the Chesapeake Bay Watershed, elevating the total from approximately 150,000 to nearly 350,000 miles. The Hyper-Resolution ...

Early signs of a possible La Niña fall and winter are emerging in some climate models, federal forecasters announced Thursday ...

Over the past two centuries, humans have locked up enough water in dams to shift Earth's poles slightly away from the ...

Researchers have measured oxygen isotopes in other archaeological remains and in water all over North America, giving us a water “isotope map.” But matching the bone isotope values to the water map is ...

Other archaeology labs and the North American water isotope map use that same standard comparison, allowing them to directly compare all the bone isotope values to one another, and to the North ...

Other archaeology labs and the North American water isotope map use that same standard comparison, allowing them to directly compare all the bone isotope values to one another, and to the North ...

A report shows that both Mead and Powell have "reached alarmingly low levels, holding just one-third of their usual capacity." ...