Explore the history and mysteries of the planets in our solar system: Mercury shows signs of a violent past, Venus

A war-torn Italian ghost town immortalized by a legendary Hollywood director blurs the lines between fiction and reality; experts investigate

New discoveries reveal that everything we know about our moon could be wrong, and now investigators are racing to understand

A collection of ramshackle structures with a mystical facade lie mysteriously deserted on the tropical island of Bali; experts investigate

Colliding supermassive black holes, the end of the Earth, devastating solar flares and more. Learn about the dark and infinite

The ruins of a mysterious holy place holds the dark past and history of numerous holy wars.