Hummingbirds are among the tiniest creatures on a birdwatcher's checklist, and they can check off 15 species migrating ...

The EPA estimates that between 2007 and 2018 the rule has cut 500,000 tons of sulfur dioxide and 300,000 tons of nitrous ...

The Swedish painter shaped how the rest of the world viewed the hills and streams of Kansas, and the mountains of Colorado.

This breathtaking Arizona city, known for its energy vortexes, spiritual sites, and zen atmosphere, is dubbed the world's ...