Intergalactic relations refer to the interactions and diplomatic connections between different civilizations across galaxies. This concept often includes communication, trade, and treaties aimed at fostering peaceful coexistence and collaboration among various species. In science fiction, intergalactic relations are frequently depicted through organizations like the United Federation of Planets or alliances formed to combat common threats. These narratives explore themes of cooperation, cultural exchange, and the challenges of understanding diverse life forms, highlighting the importance of diplomacy in a vast universe.