Scientists found a 307 million-year-old fossil, Tyrannoroter heberti, revealing one of the earliest known land vertebrates with teeth adapted for eating plants.

For more than a century, most evidence suggested that sponges, immobile filter-feeders that lack muscles, neurons and other ...

While the Zoo was closed, staff members captured some rare scenes of the animals experiencing the falling snow.

Hundreds of millions of years ago, the first animals to crawl onto land were strict meat-eaters, even as plants had already taken over the landscape. Now scientists have uncovered a ...

Most of us prefer a bit of variety in what we eat. Not true for these five "specialist" species, who seem perfectly content relying on just a single type of food. Humans are, by nature, omnivores. Our ...

Animal hoarding is a growing issue across the country, and it isn't just about having too many pets. "If you can get it, you can hoard it," said Dr. Randall Lockwood, a retired Senior VP for the ...

Learn how Colorado’s 10-year wildlife conservation roadmap ranks species, restores habitats, and supports migration corridors ...