Air conditioning is a profoundly paradoxical technology: the hotter it gets the more we use it, and the more we use it the hotter it gets.

Sports historian Steven A. Riess writes that the process that transformed baseball into a high-paid profession began in the 1860s.

Beating the heat at the beach? Be careful of rip currents, one of the greatest hazards to ocean ...

In 1943, the idea of a farmers market at which produce was sold directly to the customer was nearly unheard of, a relic of the distant past.

In 1986, in the midst of the Cold War, psychologists set out to find answers about how to talk to kids about nuclear war.

How did the island of Guam, over 5,000 miles from the West Coast, get to be the closest piece of US territory to North Korea?

Politicians from both sides of the aisle have sought to stake a claim to the evocative power of the Kennedy legend. What is it about Camelot?

Why does Manhattan have two business separate districts? Turns out that it's not because of the usual story about bedrock depth.

Some studies have found that simply getting kids to pick up a book during the summer may not actually help that much. What actually works?

Why parents need to embrace our role as digital mentors: offering kids and teens ongoing support and guidance in how to use the internet appropriately.