Health & Science

Sleep is the new skinny. Americans are obsessed with a good night’s rest — after decades of viewing sleep as a waste of time for ...

This week, Dave Heller and Dr. Derrick Pitts discuss Earth’s elliptical orbit, and how it can still feel hot on Earth when we are a ...

Happy Birthday, America! From the very beginning, science has shaped this country. Many of the Founding Fathers — Madison, Jefferson, W ...

The Philadelphia Department of Public Health, along with Lutheran Disaster Response, local climate scientists and community groups are or ...

Health issues and energy costs soar when the temperatures rise. It’s a hot day in June when I visit Ledean Durant’s ...

E-cigarette users report feeling less dependent and addicted than traditional smokers do, according to a recent study. Even so, researche ...

There’s an unnerving, specific kind of dream — a nightmare, really — that can happe ...

A museum exhibit helped Vashti DuBois finally sleep after nearly 3 years of unrest. Standing in her living room — a serene, dark ...

Human sleep behavior is different than that of many kinds of primates. That made researchers wonder, why did our branch of the family tre ...

We’re paying millions for plush mattresses and gee whiz gadgets — but a little “sleep hygiene̶ ...