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Wormlike amphibians called caecilians may have evolved venomous teeth long before the first snakes crawled the Earth.

Charles Q. Choi, Contributor

Narwhal vocalizations are not well understood, but Inuit whale hunters helped scientists get close enough to listen.

Meredith Fore, Contributor

For years, people believed that royal jelly contained the secret to making queen bees. Turns out it’s simply the amount of food.

Katharine Gammon, Contributor

A new paper shows lobsters create sounds that travel more than a mile.

Katharine Gammon, Contributor

Ethereal comb jelly floating in water

When times get tough, an invasive comb jelly appears to make the strange evolutionary choice to cannibalize its young.

Katharine Gammon, Contributor

A rare albino shark raises questions about how a lack of pigment affects deep-ocean creatures.

Joshua Learn, Contributor

Rings of DNA inside bacteria use CRISPR process to attack each other.

Brian Owens, Contributor

New research shows female plains spadefoot toads listen up for the best mate.

Brian Owens, Contributor

Juvenile snake coiled atop leaves and forest litter, with specks of orange and yellow near the head of the brown and black snake.

Snake species recycles poison collected from its own prey.

Brian Owens, Contributor

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