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'Part of the evolutionary fabric of our societies': Same-sex sexual behavior in primates may be a survival strategy, study findsA new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in socially complex species. The findings show diverse sexual behaviors are common — and likely beneficial in primates.
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Coyote scrambles onto Alcatraz Island after perilous, never-before-seen swimExperts have reacted to a viral video of a coyote swimming to Alcatraz Island in what is a surprising first for the San Francisco Bay Area.
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Ever watched a pet cow pick up a broom and scratch herself with it? You have nowA pet cow in Austria started using a broom to scratch herself — the first ever documented case of bovine tool use.
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Ancient mummified cheetahs discovered in Saudi Arabia contain preserved DNA from the long-lost populationCheetahs vanished from Saudi Arabia half a century ago. Now long-dead mummified big cats may help herald their return.
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Woolly rhino flesh pulled from ancient wolf stomach gives clues to ice age giant's extinctionMore than 14,000 years ago, a wolf pup ate a piece of woolly rhino. Scientists have analyzed the rhino's DNA to figure out why it went extinct.
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Did any cat breeds develop naturally?Humans have undoubtedly bred cats to create certain breeds, but did any of these feline breeds emerge naturally?
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Why can't you wiggle your toes one at a time?A biological anthropologist explains why humans can't wiggle their toes in the same way they can wiggle their fingers.
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Did reintroducing Wolves to Yellowstone really cause an ecological cascade?Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in the Yellowstone ecosystem.
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Primates Quiz: Go ape and test your knowledge on our closest relativesTime to stop monkeying around — just don't go bananas if you get the wrong answer!
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