We asked readers and experts, "What exactly is a heat wave?" Experts say it's less about temperatures and more about ...

As Seattle braces for a stretch of days in the low 90s this week, we want to hear from you: What do you even consider as a ...

According to climate model data, the global-mean heatwave frequency is expected to rise throughout the 21st century. This is in large part due to greenhouse gases rising at the same time aerosols are ...

A surprising new study from climate researchers reveals a troubling twist in the fight against global warming. As countries around the world work hard to clean up air pollution, scientists are now ...