Two small genetic changes reshaped the human pelvis, setting our early ancestors on the path to upright walking, scientists say.

The story of Atlantic hurricanes is treading a familiar — and frightening — path: Climate change is fueling huge, slow-moving, rain-drenching storms.

A new study shows how much food polar bears leave behind — and how their decline threatens scavengers across the Arctic.

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Science News and our parent organization, the Society for Science, need your help to strengthen environmental literacy and ensure that our response to climate change is informed by science.

DNA and stone tool comparisons suggest Eastern European Neandertals trekked 3,000 kilometers to Siberia, where they left a genetic and cultural mark.