Wondering where it’s safe to swim in the Hudson River? Or whether fish are safe to eat? Riverkeeper has an updated interactive map and online portal that can answer those questions and more, filling a ...

The English explorer sailed upriver on Sept. 3, 1609. Here is what the valley looked like for millennia before that. An engraving based on an 1857 painting by Robert Weir depicting Henry Hudson’s ...

MILLBROOK — A Dutchess County environmental research group will spend the next three years gathering data on the Hudson River to map its ecology. The nonprofit Cary Institute for Ecosystem Studies was ...