A crocodile flips over on the river’s surface right in front of the canoe, then disappears into the white water frothing through the narrow channel. It’s too late to stop, but fortunately the croc ...

Scientists discover and name a colorful, new species of aquarium crayfish, Cherax pulverulentus, hiding in plain sight for decades.

Three cattle on the left, 20 elephants on the right,” shouts the expedition leader from the bow seat of the first of five ...