Cleaning a fish tank is a delicate process. Discover how to change water without throwing a tank's ecosystem into disarray.

More and more people are picking up freshwater aquariums to add a splash of colour, some calm vibes, and a bit of daily joy to their homes. What often starts as a small, simple tank can quickly turn ...

Des Moines Water Works employee Bill Blubaugh collects a water sample from the Raccoon River in June 2021 in Des Moines. (Charlie Neibergall/Associated Press) Buy Photo The Gazette offers audio ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

Nitrate concentrations, exacerbated by a wet spring that followed years of dry conditions, reached near record highs in Iowa rivers this summer. Sign up for our Newsletters Concentrations are ...

Reservoirs along the river may never rise to previous levels. Utah's Lake Powell has a "bathtub ring" that rises at least 70 feet above the water. Peter McBride From its source high in the Rocky ...