Plus, how worried you should be about microplastics in bottled water.

Researchers tested spring, groundwater, and purified bottled waters against local tap to see how treatment shapes the byproducts that emerge — and the differences were striking. A new study found that ...

For years, bottled water has been marketed as the cleaner, safer alternative to whatever comes out of the kitchen faucet. Now the scientist behind one of the most detailed tests of plastic ...