Lea Terhune

Beijing's Palace Museum has lent the Smithsonian paintings, embroidered gowns and other items dating from China's Qing Dynasty for an exhibit on empresses.

Human trafficking is modern-day slavery, and it happens everywhere — possibly in your neighborhood. Learn what you can do to stop it.

Ahmad Ashkar sells falafel. He makes money and feeds refugees at the same time. It's a new business model, and it's working.

Four U.S. research centers are developing technologies that can turn certain plants — such as switchgrass, poplar or sorghum — into biofuels.

The Harlem Globetrotters have wowed fans with comic basketball feats for decades. They also do a lot of good — like helping to stop bullying.

The most recent gift from the U.S. Library of Congress to the world is a collection of more than 2,500 stunning Japanese woodblock prints.

For years, crowds have flocked to world's fairs to see the latest inventions and have a good time. See the history of U.S. world's fairs in pictures!

A breakthrough battery has been developed that could change how we power our electric vehicles and help improve energy security around the world.

Wind energy has come a long way. Today it's more efficient and cheaper than ever. What do you think you know about wind energy that isn't true?