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Humans' big brains may not be the reason for difficult childbirth, chimp study suggestsComplicated births may not have arisen in humans as a trade-off between our need for big brains and pelvises suitable for upright walking, new research in chimps suggests.
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Female gibbons 'vogue' and dance like robots — and make sure they have an audienceFemale gibbons appear to do robot dances for attention, scientists discover.
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Why do only some animals have periods?Humans are not the only organisms that have periods — some animals do too, but scientists still aren't sure why.
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Which animals can recognize themselves in the mirror?Research on whether animals can recognize themselves in the mirror began in 1970 1 and just a handful of species have since passed the test ever since.
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'Hostilities began in an extremely violent way': How chimp wars taught us murder and cruelty aren't just human traitsCan chimpanzees wage war? In this excerpt from "The Beast Within: Human as Animals," scientific researcher Jessica Serra looks at the dark side of our cousins' behavior.
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Man in critical condition after catching deadly 'B virus' from wild monkeys in Hong KongAs of April 3, the man infected with B virus was still being treated in the ICU, health officials said.
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'Universal' brain wave pattern discovered across primate species — including humansScientists have uncovered a consistent brain-wave pattern that erupts throughout the cortex in several primates, including us.
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Why don't people have tails?Scientists recently found that a so-called jumping gene may have jumped ship millions of years ago, and taken our tails with it.
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We finally know why humans don't have tailsResearchers discover a potential genetic connection between humans' tail loss and a type of birth defect.
