Chorus waves are mysterious, chirping signals produced by spiraling plasma inside our planet's magnetic field. But a new ...

The coming week will bring weather extremes of almost every stripe to the U.S.: From a baking heat wave in the Midwest and ...

When a heat wave gripped New Delhi, India, last summer, temperatures soared, resulting in unhealthy concentrations of ground-level ozone ... But those jobs often come at a considerable cost ...