Trying to cut calories at that fourth-of-July barbecue? Diet foods and drinks may not be the answer. New research shows foods with no calories just aren’t as satisfying.

Worried about how much water you use, but love your healthy-looking yard? New research into how plants conserve water may help scientists to engineer a less thirsty lawn.

Are cats good at preventing asthma? That’s the finding of a group of scientists studying childhood allergies in houses with and without cats.