Spice Melange, often simply referred to as "the spice," is a fictional substance from Frank Herbert's science fiction series, Dune. It is a highly valuable and addictive substance that enhances mental abilities, extends life, and enables space travel by allowing navigators to see safe paths through space. The spice is produced only on the desert planet of Arrakis, also known as Dune. Its scarcity and unique properties make it the most sought-after resource in the universe, leading to political intrigue and conflict among various factions, including the House Atreides and the House Harkonnen.