Lake Havasu and Lake Austin rank among the warmest lakes for swimming in the country, according to a WorldAtlas report.

Hydrographic maps reveal subsurface features with the potential to hold fish, the degree to which largely depends on the ...

Only a fraction of the Great Lakes' bottom has been mapped, and those low-resolution charts were completed decades ago, according to the Great Lakes Observing System. The organization has been pushing ...

A first-of-its-kind map that pulls together numerical data on nearly three dozen factors that affect the Great Lakes ecosystem shows that the lakes with the most urban and agricultural development in ...