Scientists explore whether planets, moons and exoplanets — planets outside the solar system — have the necessary qualities to support life.

The incredible story of a man, a mission, and an organization that transcended race and gender to save New York City from a pit of despair in the late 1970’s…

Is nuclear energy the solution to the climate crisis? Whether it is the only carbon-neutral technology capable of tackling the crisis or a fatally convenient stopgap, time is running out.

Echoes of the Invisible interweaves a mosaic of profound quests: a blind man running alone from the lowest point in the western hemisphere to the highest mountain peak in the…

A documentary that follows the former Tonight Show. Filmed during Conan’s ”Legally Prohibited From Being Funny on Television” comedy tour, after his departure from the Tonight Show, takes viewers into…

How only one man all at the same time painted the Mona Lisa, conceived ball bearing and gave the first clinical description of atherosclerosis? On the occasion of the 500th…

Follow Prince Andrew, whose behavior brought scandal and disgrace to the royal family. Pushing him into the sex offenders Jeffrey Epstein and Ghislaine Maxwell, and then into a sex trafficking…

Tehran, Iran, August 19, 1953. A group of Iranian conspirators who, with the approval of the deposed tyrant Mohammad Reza Pahlavi, have conspired with agents of the British MI6 and…

For just over an hour and a half, Two Billion Hearts takes the viewer back to the adventure of the world cup of the United States and packs the audience…

Alexandra Pelosi looks at money in politics and interviews wealthy donors to Republican and Democratic parties to ask them about their contributions and philosophies. Also: a look at efforts to…

The unsolved rape, mutilation and murder of young G.I. Darlene Krashoc has haunted Joe Kenda in the years since he turned in his gun and badge. Until a crack team…

A spiritual journey into the highlands of Harar, immersed in the rituals of khat, a leaf Sufi Muslims chewed for centuries for religious meditations – and Ethiopia’s most lucrative cash…