A decade ago, the world’s heaviest pumpkin weighed 2,000 pounds. Now the 3,000-pound mark is within sight.

Robert F. Kennedy Jr.’s view on fats is about bucking convention, not promoting health.

Within hours of hatching, these baby birds can learn concepts like “same” or “different”—and they do so faster than human infants.

Our microbiomes winnowed when we swapped hunting and gathering for cities—and a few months in a zoo will do the same to a monkey.

Scientists solved a longstanding mystery about the sweetness of nectar that likely applies to humans too.