On Earth Day, we take a look back at the rocky history of "tree-huggers." The term originated in the 1970s in the Himalayas and was later co-opted by American politics in the 1990s. Now, environmentalists are reclaiming the word.

Sometimes you just need to recombobulate. That word isn't in the dictionary, but it is on a beloved sign at Milwaukee's airport.

Some people use sarcasm jokingly. But funnily enough, we tend not to find it witty when we're on the receiving end.

Therapists say we're overusing the word. Here's what it actually means — and what the Ingrid Bergman film that helped birth the word can teach us about it.

The letter X can be a lot of things: rebellious, mysterious, religious. For this Word of the Week, we examine its origins and many uses.

One of the earliest mentions of New Year's resolutions appeared in a Boston newspaper in 1813. But the practice itself can be traced back to the Babylonians.