Here are maps showing locations of broad types of forest cover by tree types according to frequency of occurrence in the native range.

Two species of sloths are endangered according to the IUCN Red List. Learn about conservation efforts and how we can help restore sloth populations.

Cloud genera are divided into species to account for their particular shape and internal structure. Certain species only ...

Gasoline Gallon Equivalents (GGE) are used to determine the amount of energy produced by alternative fuels compared to that of one gallon of gasoline.

Cetaceans, the infraorder of aquatic mammals consisting of whales, dolphins, and porpoises, are some of the most unique animals on earth, but they are also some of the most endangered. Cetaceans ...

Albatrosses can soar at high speeds for up to eight hours without even moving their wings. Learn more about these amazing birds and how to help them.

The list of endangered bird species is disturbingly long. Among some of the most endangered are these amazing, unique, and beautiful birds.

Approximately 30% of shark species are either vulnerable, endangered, or critically endangered. Meet some of these incredible but endangered sharks.

We stare at clouds all the time, whether trying to figure out what they look like or if they're bringing rain. Yet most of us know very little about clouds, let alone how to identify them.

Here is a list of the top animal rights issues, including human overpopulation, factory farming, animal experimentation, pets, and hunting.

Inefficiency doesn't last long in nature. That's why engineers and designers employ biomimicry, looking to Mother Nature for solutions to problems.

Here are some fascinatingly odd ways that frost, ice and snow can appear.