President Trump says his first trip to Saudi Arabia in 2017 yielded big business deals. We look back to see how things worked out.

Pakistanis remain on their toes amid tensions with India. But the threat of war is unifying people in a country where many have become disenchanted with their civilian and military leadership.

Producer Vivien Schütz presents the story of Gina Velasquez, who progressively lost her vision due to an HIV/AIDS diagnosis decades ago.

Two new studies hint at the evolutionary roots of human language. The studies found that chimps use rhythmic structures and complex call combinations to communicate.