Located between Bolivia and Peru, Lake Titicaca is the world’s highest navigable lake—perched at a dizzying 3,812 meters above sea level. Sacred to the Incas and still home to indigenous communities ...

Here are our favorite types of freshwater fish you can keep as a pet. If you're in the throes of setting up a home aquarium, ...

Louisiana has become home to numerous invasive species, some of them wreaking havoc on the state's environment. Here are the threats to the state.

Do you think that a saltwater tank is vital for keeping stunning, exotic fish? Reevaluate that idea. Freshwater aquariums are ...

From exotic dragon gobies to unusual puffer fish, there are many beautiful aquatic companions that thrive in brackish water, ...