Are high temperatures making you irritable? The heat can not only make you feel sweaty, tired and thirsty but can impact your mental health too. Many studies have linked the summer heat with ...

But globally, keeping people cool is likely to be a much bigger drain on electricity grids and a more pressing power sector challenge.

Also: Staffers’ favorite Brad Pitt movies, Carnegie Hall performances in the parks, the stargazing rap of Ab-Soul, and more.

In light of the heat increase, Dominion Energy is encouraging customers to take a few simple steps to help manage their energy use and bills while still staying cool and comfortable this summer.

A pine-shaded gulch in the Catalina Mountains offers relief from Tucson heat.

Also: Prime Day is over, but some of our favorite deals are still live now But that doesn't mean the Flipper Zero can't do some very cool and useful things.

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries ...

A free online puzzle published every weekday, with difficulty levels ranging from easy to hard, and answers and clues that exhibit the wit and intelligence of the magazine.