Sulfur butterflies glide across Zorrillo Canyon, hundreds of them, moving back and forth against the cerulean sky. It's ...

For many, their latest expedition in Baja Sur marks a return, more than a decade after their investigation began.

As my son fought a venomous snake bite, I confronted old grief over my parents' deaths and learned how deeply we all need ...

Red snakes are perhaps the most visually stunning of these intriguing reptiles, drawing attention with vibrant shades of ...

Sharks, alligators, bears, snakes, mountain lions - find out how widespread America's most feared animals really are.

Extreme heat and drought are putting new pressures on wildlife in Arizona, even species that have adapted to desert conditions over thousands of years. A biologist who studies rattlesnakes had never ...

Two rattlesnakes were caught on video engaging in a mating combat dance to win over a nearby female snake in Los Padres National Forest last week. The Forest Service shared the video on Facebook on ...

While the sight of a rattlesnake might send some running, some brave members of a California community are learning how to catch and save them. CBS News Bay Area's Brian Hackney has the details. NM ...

Rattlesnake bites affect 150,000 pets each year. Prevent attacks by removing food, water sources and snake hiding spots. If your dog or cat gets bitten by a venomous snake, here's what to do. As hot ...

What’s the scariest thing that could happen in your bathroom? Do you worry about running out of toilet paper or spilling toothpaste all over the sink? What about a snake slithering out of your toilet?