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By playing with the physics of wing color, scientists get a glimpse into how butterflies get their colors, and how quickly they can evolve from brown to brilliant.

Water is scarce in India, which is a good reason not to do the Ice Bucket Challenge. A journalist came up with another option — give a bucket of rice to a hungry person. Her version is going viral.

New York Times correspondent Matthew Rosenberg was forced to leave Afghanistan after officials called one of his recent stories a threat to national security.

The 91-year-old former Marine went from borrowing a mask at an Okinawa hospital to umpiring in the Negro League, where he made calls against legends like Satchel Paige, Hank Aaron and Willie Mays.

When you think organic, you probably visualize fresh, sweet-smelling fruits and vegetables. But what makes that delicious organic produce grow?

It's dry. Empty. Rocks everywhere. About 10,000 feet up in the Andes. Then, all of a sudden, you see an enormous, lime green, tasty-looking lump. Should you lick it?

Food in supermarkets is increasingly connected to child labor and trafficking. Many laws aimed at ending these abuses overlook a key source of the problem: the rapid decline of fish and fauna.

The Library of Congress has released the rather racy love letters that former President Warren G. Harding sent to his mistress, Carrie Fulton Phillips.

Arthur T. Demoulas, chief executive of the New England grocery chain Market Basket, was pushed out by his cousin in a boardroom struggle. Protesting employees have brought business to a standstill.

Eight years after the FDA approved the first vaccine against HPV, only 57 percent of female teens and 35 percent of male teens have been inoculated, the CDC says. Are doctors partly to blame?