Satellite data shows the ground is sinking beneath many of the world’s biggest river delta cities, worsening flood and sea-level rise risks.

The Ohio River supplies drinking water to millions of people between Pennsylvania and Illinois. It's also one of the most endangered rivers in the country, according to a new report from the ...

The Green River defies gravity: it flows through 99 miles of mountains thanks to movements hidden beneath the surface.

If you'd like to take a cruise but aren't interested in the hustle and bustle of a massive ocean liner, consider a river cruise. River cruises offer the chance to visit lesser-known ports around the ...