Television Program Guide

To his frustration, Ross faces successive failures in Westminster, and he is advised to take a slier approach. Back in Cornwall, Demelza continues her matchmaking efforts.

Nadia Murad, a 23-year-old Yazidi, survived genocide and sexual slavery committed by ISIS. Thrust onto the international stage as the voice of her people, she must navigate bureaucracy, fame and people's good intentions.

Discover what it took to beat the Soviet Union to the moon in the space race. In the turbulent and troubled '60s, the U.S. space program faced tragedy with Apollo 1, but made a triumphant comeback with Apollo 8.

The rocky planets - Mercury, Venus, Earth and Mars - were born of similar material around the same time, yet only one supports life. Were Earth's neighbors always so extreme? Is there somewhere else in the solar system where life might flourish?

George finds the opportunity to ruin a business rival and the Poldarks in the process. Ross whisks Demelza off for a passionate getaway in London, and Elizabeth has news for George.

Experience the triumph of the first moon landing, witnessed by the largest TV audience in history. But dreams of space dramatically intersect with dreams of democracy, raising questions of national priorities and national identity.

Launched in 1977, NASA's epic Voyager missions revolutionized our understanding of Jupiter, Saturn, Uranus, Neptune, and their spectacular moons and rings. In 2012, Voyager 1 left our solar system and ushered humanity into the interstellar age.