This morning at Gobbler's Knob in Punxsutawney, Pa., Phil the groundhog saw his shadow, prognosticating six more weeks of winter.

Punxsutawney Phil is less accurate than a coin flip in predicting the end of winter.

Every Feb. 2, Woodstock, Ill., where Groundhog Day was filmed, celebrates the movie that changed its future.

UK's Brexit impact analysis concludes economic losses from restricted immigration outweigh US trade benefits.

A questionable map of America's allies and enemies, according to a 2017 YouGov survey.

Why a weak dollar—but not too weak—can be good: better trade for the US, lower interest rates in developing nations.

For the first time since 1913, when the income tax began, billionaires' philanthropy is driving American progress.

Twitter tells 1.4 million users—double a prior estimate—that they engaged with Kremlin trolls during the election.

As I drove back to Philadelphia that night, I reflected on what a bizarre rite of passage I had just been through. How would functions like that make me a better legislator? It wouldn’t. A former congressional candidate exposes an ugly side of politics: Winning is good, but fundraising is everything.

United will soon require passengers with support animals to provide documentation from a medical professional.

Photo highlights from the past 2,000 days of Curiosity's exploration of Mars and its surface.

To see what Amazon does to cities, look to San Bernardino, where unemployment has plummeted—so has quality of life.

Squirrels aren't native to cities; they were imported in the mid-19th century to "create pockets of rural peace."

Urban bird feeders are changing evolution. Some finches are developing longer and deeper beaks to handle sunflower seeds.

Feral cats kill up to 4 billion birds a year in the US—abroad, they're responsible for the extinction of 63 species.

Wild cougars disappeared from the East Coast more than 100 years ago, but hopeful sightings continue to this day.

Part of the job of a critic—meaning anyone with a serious interest in movies, professional or otherwise—is judgment, and no judgment is ever without a moral dimension. Nor is it ever without a personal interest. A.O. Scott reconsiders his longstanding appreciation and defense of Woody Allen movies.

The war against using "literally" figuratively was lost at least 300 years ago.

Nicolas V. Sanchez's startlingly detailed ballpoint-pen art.