The body’s cooling defenses fail at lower “wet bulb” temperatures than scientists had estimated. By Clayton Dalton Last month was the second-hottest September ever recorded; it came after the world’s ...

Carbon nanotube-based film achieves record-low thermal conductivity at extreme temperatures, offering ultralight, scalable insulation for aerospace, energy, and high-temperature industrial ...

Scientists are increasingly blunt about what unchecked fossil fuel use could mean for life on Earth by the end of this ...

PHOENIX (AP) — Phoenix flirted with its first 100-degree day of the year on Tuesday, though it fell just short of that milestone. The metro area was expected to reach 100 degrees Fahrenheit (37.7 ...

Chinese scientists have unveiled a new ultra-high-temperature heat pump with no moving parts that could one day allow sunlight or industrial waste heat to power some of the world’s most ...

Tens of millions of people across the Midwest and East braced Sunday for another sweltering day of dangerously hot temperatures as a rare June heat wave continued to grip parts of the U.S. Almost all ...

MADISON, Wis. (AP) — Tens of millions of people across the Midwest and East braced Sunday for another sweltering day of dangerously hot temperatures as a rare June heat wave continued to grip parts of ...

More than 150 million Americans from Texas to Maine are under extreme heat advisories as dangerously high temperatures bake the nation. Meteorologists warn that this heat dome could expand to affect ...