A vital oceanic current is steady, for now

The ocean circulation system may not be as bad as previously thought. A vital oceanic artery known as the Florida Current, a signal of the ocean’s ability to regulate Earth’s climate, has apparently been weakening for decades. But this latest decline may not be as severe as suspected. The current has actually remained stable over…

A visualization showing the Earth

What causes rivers to suddenly change course?

Displacement is in the nature of a river. But when a river breaks from its channel and carves a new path across the landscape, devastating floods can descend on communities with little or no warning. For decades, researchers have struggled to explain exactly how river channels prepare for such sudden diversions or avulsions. A study…

Structures and trees are inundated in flood waters.