GRETCHEN REYNOLDS

In a study done with mice, horses and people, researchers found clues as to which types of exercise suppress appetite and why.

A new study found exercisers expel a shocking number of tiny aerosol particles when they are working hard.

Science says you may need less exercise than you think to live a long and healthy life.

In her new book, Jennifer Heisz blends personal experience and the latest science about how exercise can improve your mental well-being.

Men and women who briefly contracted their arm muscles as hard as possible once daily increased their biceps strength by up to 12 percent in...

It can be done in barely 30 minutes in a hotel room, garage or even an airport lounge. All you need is a jump rope.

Two new studies look at what happens when we do not exercise or move around much for a period of time.

We may each have a movement “signature” that, like our face or fingerprints, is unique to us.

How the “runner’s high” might be used as a tool to treat depression.