Learn about classification with this guide. How to classify plants and animals Learn how to classify plants and animals. Learn how nutrients and water are transported around different animal ...

Although freshwater habitats cover less than 1 percent of the Earth's surface, they support 10 percent of known animal species.

Several inches of snowfall kept the Smithsonian’s National Zoo and Conservation Biology Institute closed to visitors this week. But the animals and their caretakers still had a good time!

A new study revealed the biggest threats to Colorado's Canada lynx habitat and insight into solutions that can bolster the ...