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"This is an avoidable disaster," says one expert. And there are at least three things you can do to help.

IBM's Deep Blue beat chess great Garry Kasparov in 1997. Humans and computers play the game differently, but have computers taught humans much about the game?

Filmmaker Gianfranco Rosi talks about his documentary Fire at Sea. The film tells the story of the ongoing migrant crisis as experienced by residents of Lampedusa, an island off the coast of Sicily.

Groups of walruses are vulnerable to disturbances, but it's hard to avoid them if you don't know where they are. A new tool from U.S. and Russian researchers draws on history to protect the animals.

To many parasitic worms, we are the world. And the way they've evolved to live within us — without wiping us out — is stunning.

A new study reveals the full extent of globalization in our food supply. More than two-thirds of the crops that underpin national diets originally came from somewhere else — often far away.

After a meteor punched a huge crater into the Earth 65.5 million years ago, 70 percent of the planet's species went extinct. Today, pieces of that meteor are found all over the world.

After a meteor punched a huge crater into the Earth 65.5 million years ago, 70 percent of the planet's species went extinct. Today, pieces of that meteor are found all over the world.

The aid industry focuses on issues about women and is dominated by female staffers. So why are they often absent in high-level public conversations?

New Delhi has the most polluted air of any city in the world. NPR explores whether rationing cars in the Indian city could solve the problem.