You can blame this mysterious newfound organ for the pain you feel when you prick your finger.
A diarrhea-causing bacterium is evolving into a new species that thrives on sugar-rich Western diets and readily spreads in hospitals.
A medical procedure that has been used to freeze a woman's ovaries is being offered for the first time as a way to delay menopause.
A bare-chested Amazonian tribesman sniffs a machete, looks toward the camera and then disappears into the foliage.
Greenland's ice sheet is sliding way more than previously thought, making it more vulnerable to a warming climate, according to a new study.
New Orleans is bracing for a tropical storm that is expected to hit tonight or tomorrow, bringing with it chances of intense flooding.
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