After heavy rain occurs in the U.S. Virgin Islands, runoff can temporarily raise bacteria levels in nearshore waters, ...

After weeks of warmth and dry weather, forecasters say a cooler, wetter mid‑February pattern could revive California’s winter and boost Sierra snow.

The East may have been plunged into a deep freeze this winter, but a hot, dry winter in the West is raising alarms among ...

New research finds bottled water contains twice as many plastic particles as tap water, with millions of nanoplastics per ...

Groundwater hides dense communities of rock-bound microbes that shape water quality and help store carbon below ground.

A new study reveals that chemicals used to replace ozone-damaging CFCs are now driving a surge in a persistent “forever ...

With her new documentary, the actor and activist takes on the fossil fuel industry’s extraction and export of liquefied natural gas in Texas and Louisiana.

Some surprise snow was seen in parts of Cincinnati, northern Kentucky and southeastern Indiana, thanks to trapped steam that ...

Prolonged drought across much of the West has been worsened this winter by below‑average snowfall and persistent warmth.

Invasive Asian carp have spread around the United States. Wildlife experts and engineers fight to keep them out of the Great ...

Concentrations of a forever chemical known as TFA is increasing in rainwater, drinking water, soil and plants.

The chemicals that helped save the ozone layer may be quietly seeding the planet with an indestructible pollutant.