Some animals matter so much to their ecosystems that losing them is like removing the keystone from an arch—the entire ...

Call them dire wolves. Don’t call them dire wolves. Colossal Biosciences, the biotechnology company from Dallas, Texas, that wants to de-extinct the woolly mammoth and dodo, doesn’t care what you call ...

The story of Yellowstone National Park and its wolves is a lesson in the consequences of humans meddling with the world's natural order. Wolves that live in temperate grasslands, specifically gray ...