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Evolution

Studying fly sex may lead to a better understanding of addiction in humans.

Marcus Woo, Contributor

New genetic analysis suggests that major groups of fish species arose in the 10 million years after dinosaurs disappeared.

Charles Q. Choi, Contributor

Parasitoid wasps that lay eggs in other creatures may represent more species than any other group of animals.

Nala Rogers, Staff Writer

Migrating chimpanzees appear to conform to local nut-cracking culture, even when they know a better way.

Nala Rogers, Staff Writer

Fossilized tracks suggest lizards were bipedal 110 million years ago.

Marcus Woo, Contributor

A 108-year-old museum specimen helps answer evolutionary questions about the extinct marsupial carnivore.

Kimberly Hickok, Contributor

Female turkeys pick males based on dangly facial ornaments called snoods -- the more dangly, the better.

Nala Rogers, Staff Writer

Image of a small, extinct mammal, gliding off a tree branch, its white underside showing.

Mouse-sized mammal had gliding membranes and a unique inner ear.

Charles Q. Choi, Contributor

Little reptiles may use stripes to trick predators into attacking their tails.

Nala Rogers, Staff Writer

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