Seven nonnative species reached the United States by latching on to travelers, a study by researchers in Connecticut shows, offering clues about how ticks spread in a warming world.

A basketball academy that offers young people a lifeline and a chance to dream is hanging on in the Congolese city of Goma, despite years of war and the chaos and violence that have followed a rebel takeover.

Hind Meddeb followed young people in Khartoum, focusing on their hopes and fears to create a kind of living record of history.