Distinguishing closely related animal species can sometimes feel like an exercise in semantics. But there are real ...

Sea of Grass,” written by Dave Hage and former Star Tribune environmental reporter Josephine Marcotty, is due in bookstores ...

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Lions living in Etosha National Park in Africa are being killed by farmers when they leave the park looking for food and ...

A new fossil and DNA analysis traces how dozens of sloth species responded to climate shifts and humans. Just two small tree-dwelling sloths remain today.

At the Nachusa Grasslands, there are more than 4,000 acres of restored tallgrass prairie — and one herd of bison.

Biological diversity in the Sanjiangyuan National Park, for instance, has maintained a continuous momentum to thrive, with ...

When one pictures a global wildlife nonprofit fighting to save the last 28,000 wild rhinos on Earth, the mind likely drifts ...

Absolutely disgusting, so grim, the worst fieldwork of my life, but also extremely rewarding in a very odd way,” said Julia ...

These human ancestors would have had plenty to take advantage of near these ancient rivers. Trees bore fruit all year, and ...

Sitting in front of a monitor with a technician from the Smithsonian, I am watching the progress of Turtle 4004, known as ...

Many of the minerals involved in proposed deep sea mining operations are located on black, potato-shaped nodules that lie on ...