India is experiencing unprecedented heatwaves as early as March, affecting millions. Data shows just how bad things are, and ...

Grist reports on a new study showing that exposure to high temperatures adds up to 14 months to older adults' cellular age.

BORUNDA: That's Jenni Vanos. She's a heat expert at Arizona State University who did a similar analysis last year. And Vanos says scientists also know that people die from heat well below these ...

Bella Hadid, Simone Biles, and more stars are flaunting bold bikini looks this winter, with jaw-dropping styles from scenic ...

Dehydration is no joke, and it can happen quickly. Fight dehydration like a pro with one of our expert- and tester-approved picks.