Health & Science

Total mortality rose 26% in Philadelphia during 10 scorching days in July 1993, with mortality from cardiovascular disease nearly doubling.

There have been more than 70,000 fires in Brazil so far this year, mostly in the Amazon, and about half of which have ignited in just the past month.

Scientific material requires the brain to process complex relations between concepts, between ideas, a Penn State researcher says.

Weight Watchers new app for kids has been criticized for possibly harming users self-esteem. We'll talk about how to teach kids healthy habits and a positive body image.

It was supposed to be paradise, a slice of raw nature in a densely populated country. But things didn't go according to plan, and the conditions were ripe for controversy.

It was supposed to be a paradise. A parcel of wilderness, reminiscent of the past, where birds and large grazers would find refuge. Conse ...

Mayors from 70 cities send a letter to the Trump administration, saying a plan to push millions of people out of the food stamp program would punish some of the neediest.

Fires in Brazil's Amazon rainforest are proliferating at an alarming rate.

At Omni Recycling, a materials recovery facility in Pitman, N.J., one can see firsthand the mess that plastic has become for recyclers.

From entry and observation to “motivational moment” and referral.

Health systems are known more for competition than working together, but when it comes to treating opioid addiction, that may be changing.

China is no longer taking the world's waste. The U.S. recycling industry is overwhelmed. This doesn't bode well for our plastic waste problem.

Pennsylvania is shutting down Three Mile Island for good next month. With the nuclear plant gone, how will the state produce carbon-free energy?

This is where Earth's refrigerator door is left open, where glaciers dwindle and seas begin to rise.

Why does e-cigarette maker Juul advertise its product on TV when cigarette ads are banned? The short answer: Because it can.