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.

There’s a lot more to Mexico than tequila and beach resorts. Behind the clichés lies a country shaped by centuries of ancient ...

The loggerhead turtle population was on the brink of extinction but after 40 years of careful management, the largest ...

Marine iguanas were described as “imps of darkness” by naturalist Charles Darwin. Learn more in our expert guide by the ...

Between the mountains and the coast, Eugene offers the perfect home base for Oregon adventures. Hood River sits at the intersection of gorgeous and spectacular in the Columbia River Gorge. The mighty ...

Ontario sits right on the Idaho border, making it the official greeter to everyone entering Oregon from the east. The welcome sign proudly announces “Where Oregon Begins,” and they take that job ...

Sea anemones and jellyfish don’t have brains, but the way their neurons behave during sleep shows some surprising ...

Was this 33-foot monster anaconda the longest on record? Click here to discover the largest anaconda ever found.

Sleep may have evolved to help reduce DNA damage in nerve cells long before they became centralized in the brain, a study ...