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That monthly flea pill you give your dog or cat? It’s probably still coming out in their poop half a year later, and it might be killing the insects that are supposed to break down that waste. French ...

Scientists long believed that these whales, which swim throughout the Southern Hemisphere, mainly feasted on krill and small ...

River otter poop is the perfect for Katrina Lohan's research as it contains DNA from worms, fish, and other organisms, including parasites. Image: National Zoo River otters are unequivocally cute. But ...

Climate change is melting away glaciers around the world, but in the Andes Mountains, a wild relative of the llama is helping local ecosystems adapt to these changes by dropping big piles of dung.

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