After nearly three decades of scientific review, regulatory reversals, and political hesitation, perchlorate is back on the ...

Registered dietitians share whether lemon water lives up to the hype.

The Ohio River sends billions of gallons of water flowing past Louisville, Kentucky's pumping station every day, where the city's utility sucks it up to turn it into tap water. This story was produced ...

Here’s what to do to stay safe.

Experts say there is actually a best time.