Preliminary numbers show a nearly 4 percent decrease in deaths from opioids, largely fentanyl, but a rise in deaths from meth and cocaine.

Megan Morikawa of the Iberostar Group is applying science — and scale — to eliminate food waste, save coral and collaborate across the travel industry to cut carbon.

The psychologist studies how to recognize emotions and cope with them. She learned the hard way.

The brittle star specimen suggests that the sea creatures have been splitting themselves in two to reproduce for more than 150 million years.

Scientists used tree rings to compare last year’s extreme heat with temperatures over the past two millenniums.

A growing number of researchers in the field are using their expertise to fight the climate crisis.