In California’s Central Valley, a gas utility is harvesting methane from manure on cow feedlots. Critics worry the push toward biogas will only further entrench two polluting industries. ...read more

A growing body of science is demonstrating that spending time in nature — or even an urban park or garden — is good for us. But the grass isn’t green for everyone. ...read more

There's no conclusive evidence that pre-workout products work, and some ingredients (labeled or not) can put your health at risk. In the past, products have been banned only after killing consumers. ...read more

Fear of social situations existed long before the COVID-19 pandemic. Evolutionary models may explain why we developed this trait in the first place. ...read more

Currency has come a long way since the days our ancestors primarily exchanged goods and services. But where did the idea of money come from? ...read more

Climate anxiety is real — and psychologists are taking notice. Experts say there are proactive things you can do to ease your worries and help slow the climate crisis at the same time. ...read more

Much like beauty, art is in the eye of the beholder. ...read more

Researchers in this polluted city are planting thousands of trees in a bold health experiment aimed at lowering rates of cardiovascular disease. ...read more

Try out these hands-on citizen science projects. You don’t even have to leave the house. ...read more

For the past few months, a dark lava dome has been growing on La Soufrière on the island of St. Vincent. Today, that eruption suddenly became explosive. ...read more