When we think of camouflage, it’s usually a visual pattern. But how do you hide from a predator that uses sound to find food, like a bat? If you’re a firefly, it turns out you might resort to a cacophony of ultrasound that acts like “musical armor.”

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Scientists have created a synthetic single-celled organism that can divide and grow like a regular living cell. This breakthrough could lead to designer cells that can produce useful chemicals on demand or treat disease from inside the body.

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The whale shark and the manta ray are perhaps two of the ocean's most fascinating large fishes. Well, scientists have now announced the discovery of a prehistoric ancestor of both, that looked like a cross between the two.

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Just like a tree trunk, the tusk of the narwhal acquires a new growth ring every year. Analyses of those rings have now revealed some interesting facts about the animals' diet, and about changes in their environment.

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A number of hearing aids are now able to amplify one person's voice while filtering out distracting background voices. Well, it turns out that female tree frogs are able to perform a similar task, in order to hear the mating calls of males.

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We all know that bats locate prey in the dark using echolocation, but … is that really all there is to it? Scientists decided to get more details on the animals' hunting process, by equipping them with tiny wearable computers.

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Scientists have studied 50,000-year-old Neanderthal poop, and analyzed the DNA of microbes to determine their gut microbiome. Many species are still present in modern humans, revealing the "old friend" bacteria that may be most crucial to our health.

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Just last year, scientists declared that Spinosaurus was the first dinosaur known to swim through the water, preying upon fish as it did so. A new study, however, suggests that it was probably more of a shore-based feeder.

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It has generally been thought that electric eels are purely solitary animals, which stalk prey on their own. Now, however, scientists have described seeing the creatures hunting in packs – which only nine other fish species are known to do.

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The latest amber time capsule discovery comes from Oregon State University researchers who have identified a completely new, previously unknown genus and species of flower dating back 100 million years to the mid-Cretaceous period.

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