Invasive plants are known to outcompete native plants, altering the way ecosystems operate and threatening or endangering populations of animals, flora, and even humans.

A native California species is rapidly declining. The white sturgeon is the largest freshwater fish in North America. According to a new report, there are just 6500 white sturgeon between 40 and ...

Native American teenagers from tribes across the river basin push themselves up and out of the kayaks and begin to cross the sand, some breaking into a sprint.

Understanding animal intelligence is an ever-evolving field that reveals the complexity and beauty of the natural world. In the United States, diverse ecosystems are home to many species, some of ...

Alligator Alcatraz is in Florida, home to dangerous animals that can harm you, like gators, sharks, bears, panthers, snakes and spiders.