Pollen season is affecting of the southern tied of the country, with tree pollen reaching high and even extreme levels, ...

Unseen mountains, valleys, lakes, and rivers lie under Antarctica’s mile-thick ice sheet. Changes to those hidden rivers could have dramatic global consequences.

The number of salmon returning to the Columbia and Snake rivers this year is expected to beat the 10-year average return. That’s according to a new report from the National Oceanic and Atmospheric Adm ...

Experts are warning that Trump administration workforce cuts at federal agencies overseeing U.S. dams are threatening their ...

Some local experts say discourse has gone too far.