Animal proteins are considered higher quality than plant proteins because they have the essential amino acids needed to build ...

Plants and animals need health lands and waters to live on the Colorado Plateau. Here's what we're doing to help beaver, ...

Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals.

You don’t need to give up steaks entirely. But mounting evidence shows that a diet that incorporates more plant-based protein ...

(AP Photo/Lynne Sladky, File) WASHINGTON (AP) — Two-thirds of animal and plant populations are declining in genetic diversity ...