Once safe and thriving, many U.S. rivers are now under attack—from invasive predators. From snakeheads to armored catfish and even aggressive reptiles, these waterways are becoming battlegrounds for ...

Discover how lichens grow on trees, rocks, and gravestones, their vital role in ecosystems, and tips for spotting them in ...

Denver author Peter Heller is this year's winner of the Friends of the Pikes Peak Library District's annual Frank Waters ...

I saw the following quote on a poster at a wildlife sanctuary in Florida: “Cranes are large birds with long beaks found on ...

British-South African Lewis Pugh was the first person to swim across the North Pole and complete an endurance swim in every ...

Travelers can save big when they book select cruises for 2025 through 2027 now through June 1. Those who book a Scenic Luxury ...

No corner of Earth is untouched. From Tibet to Antarctica, so-called "forever chemicals" have seeped into the blood of nearly every living creature.

A fast-moving glacier in West Antarctica is “stealing” ice from its neighbor in a newly observed case of ice piracy.

Scientists drilled through Antarctic ice to uncover a buried river system that may reshape predictions of melting and ...

Have you ever imagined what Antarctica looks like beneath its thick blanket of ice? Hidden below are rugged mountains, ...

Have you ever imagined what Antarctica looks like beneath its thick blanket of ice? Hidden below are rugged mountains, ...

In addition to low-lying valleys, covered lakes, and bizarre sub-glacial rivers, the Antarctic ice is also hiding massive ...