Wildlife photographer Randy Robbins has captured a video of one of the rarest mammals on Earth at Lassen Volcanic National Park.

Starry stonewort has become a poster child for invasives. Expensive to control and nearly impossible to eradicate.

The insects have been linked to illnesses that can affect both humans and animals. Researchers raise red flags after finding ...

The Sierra Nevada red fox is an endangered species living solely in the Golden state and with less than 100 individuals ...