For nearly two centuries, the McAlpine locks and their predecessors have served as a linchpin of commerce on the Ohio River. Today, the infrastructure is overseen by a Corps of Engineers staff of ...

I went to the river again Thursday with fishing pal Ted Suffolk, of Canfield. We hit a five-species jackpot that any adventurous angler would value.

For Bernhard Lehner, an assistant professor in the geography department at McGill University, it seemed a daunting task: to design a detailed digital map of the world’s rivers. But seven years ...