Roots of Human Generosity Revealed by Surprisingly Unselfish Apes

When's the last time you gave up the last slice?

ICESat-2 Launch: How NASA's Space Lasers Will Illuminate Ice Loss on Earth

It's part of a $1 billion-dollar mission to provide scientists with a detailed picture of Earth’s changing landscape.

Hurricane Florence: Hospitals in the Bullseye Are Preparing — or Closing

It's a tough decision whether to evacuate critical patients or shelter in place.

Hurricane Florence: Infrared Image Shows Its Growing Size

A ring of deep, cold rain clouds.

Hurricane Florence: Arrival Time, Rainfall Forecast, Flooding Predictions

Hurricanes are unpredictable, but there's more data than ever.

New Experimental Painkiller Is Like Stronger Morphine Without the Addiction

"This is a completely new chemical."

Grizzly Bears Spared From Government-Authorized Hunt for at Least 14 Days

Grizzly populations have recovered, but does that mean they should be hunted?

Therapy Dogs Have an Important Role on College Campuses, Says Expert 

“That’s what therapy dogs do."

‘Broken Heart Syndrome’ Is Real and Has Serious Complications, Say Doctors

"Triggers include intensely stressful events, such as the loss of a loved one."

Study reveals weed stays in breast milk for longer than you think

That’s too long to “pump and dump”

Hangovers Last Longer Than You Think, Finds Study in Journal 'Addiction'

"Even when alcohol has left your system you may still be impaired."