Salmon have flourished since California dam removal. But some may be swimming too far

After the largest dam-removal effort in U.S. history, salmon appear to be thriving in the Klamath River, though some are ...

Hundreds swim in Chicago River for first time in nearly a century for ALS research

For the first time in nearly a century, hundreds of swimmers plunged into the Chicago River over the weekend. Here's why.

Want to take a dip in Paris? River Seine reopens to public swimming for the 1st time in a century.

For the first time in over a century, Parisians and tourists will be able to take a refreshing dip in the River Seine.