Melting glaciers in Boulder release sulfate into wetlands, increasing methylmercury production and ecosystem risks.

The world has a few incredibly dry places, and when you think of them, deserts probably come to mind. From the Sahara in ...

The ocean hides mountains older than dinosaurs. Harder to explore than space, its depths hold ancient secrets the scientists ...

Alpacas are small camelid mammals raised by the ancient Incas in South America over 6000 years ago. Kept in herds, alpacas ...

LIVING in a tropical country like Malaysia, we're all used to frequent thunderstorms and lightning streaking across dark ...

A volcano that has not erupted in 250,000 years has shown signs of returning to life. Scientists warned that an eruption ...

It is another steamy morning in Puerto Maldonado, and Gabriel Granados Olivera and I are sitting on a low-slung motorized ...

Explore daily insights on the USA TODAY crossword puzzle by . Uncover expert takes and answers in our crossword blog.

(Web Desk) - A "ZOMBIE" volcano could be coming back to life after lying dormant for hundreds of thousands of years. Ominous ...

Tierra Atacama just reopened in the Chilean high-altitude desert. Travel + Leisure was the first to stay—read our full review.

Mountains have always held a special allure - whether it’s their towering peaks, breathtaking landscapes, or the serenity ...