Much of the US has been experiencing heat waves in recent weeks. An economist explains how the often record-high temperatures can affect the economy.

Not every extreme weather event is caused by climate change, but heat waves that were once ridiculously improbable are showing up more often. Just ask Portland.

Not every extreme weather event is caused by climate change, but heat waves that were once ridiculously improbable are showing up more often. Just ask Portland.

During a 2015 heat wave, scientists watched as a coral reef died before their eyes. By the end of the century, almost all the world's corals will be gone if climate change continues at this pace.

Extreme heat warnings can help change our dangerous relationship with hot weather.

During a 2015 heat wave, scientists watched as a coral reef died before their eyes. By the end of the century, almost all the world's corals will be gone if climate change continues at this pace.

Left untreated, heat stroke can be fatal, and the elderly are the most at risk.

Which is worse, dry heat or wet heat? Both, says an exercise physiologist.

MIT researchers train a neural network to predict a “boiling crisis,” with potential applications for cooling computer chips and nuclear reactors.

Every year, the number of wildfires caused by humans spikes on Independence Day. There are safer ways to celebrate amid the heat and drought.