The answer is very — but there are ways we can help make thrift stores greener. ...read more

A recovered skull may hold a missing piece in the story of human evolution. ...read more

Archaeologists may finally know the age and true identity of the “Rude Man,” also known as the Cerne Abbas Giant, one of dozens of geoglyphs etched into the British countryside. ...read more

Frozen meals and fast foods have become popular meal options around the world. But overconsumption of these highly processed foods can pose serious health risks. ...read more

One day, the burger on your plate might come from a lab instead of a farm, but don’t plan your next cookout around it. ...read more

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Learn about a little-known disease that affects 300,000 people in the U.S. alone — or catch up on the science and history of air conditioning and refrigerants. And don't miss a podcast series about what wildfire means for the West and beyond. ...read more

First-of-its-kind study shows how human-generated sound could harm the ability of seagrass to store energy and detect gravity. ...read more

Over a century ago, a stunning set of images introduced America to the beauty of its own backyard. ...read more

Cooking in the kitchen affects indoor air quality in complex ways. The best way to stay safe is simple: Use good ventilation. ...read more