Stretching across the continent, the Rocky Mountains shape North America’s climate, wildlife, and history. In this video, we ...

Around 34 million years ago, the ancestors of modern iguanas likely embarked on what may be the longest overwater journey undertaken by a nonhuman, land-dwelling vertebrate species. Starting off the ...

This reporting was supported by a grant from the Fund for Investigative Journalism. In 2017, a Missouri-based corporation called Jaines LLC forked over $9.6 million in exchange for 110 acres of vacant ...

(CNN) - A new study shows the ancestors of modern iguanas might have been astounding sailors. It indicates they might have traveled about 5,000 miles by sea around 34 million years ago. The route from ...