A public health researcher explains the signs someone is developing heat exhaustion or heat stroke, and what to do.

Morocco is experiencing an unusual heatwave this week, with temperatures soaring well above seasonal norms across the country ...

A Midwest heat dome will bring worryingly high temperatures and stifling humidity to millions of people this weekend.

The world may be on track to breach 1.5 degrees Celsius of global warming in about three years, a group of scientists is warning in a new paper. Researchers have called for keeping the planet’s ...

WASHINGTON (AP) — Humans are on track to release so much greenhouse gas in less than three years that a key threshold for ...

It would take more than 9.5 million square miles of trees to offset the emissions of the world’s 200 largest fossil fuel ...

“If you go to our sun, you have 15-million- [degree] temperatures,” Schweda explained. “The hottest stars [are] 100 million.

When the Earth froze over, where did life shelter? MIT scientists say one refuge may have been pools of melted ice that ...

Places in the Midwest that are really well suited for present-day corn and soybean production just get hammered under a high ...