The legendary tree of life in Norse cosmology is known as Yggdrasil. This immense tree connects the nine worlds of Norse mythology, symbolizing the interconnectedness of all existence. Yggdrasil is often depicted as an ash tree and is central to various myths regarding creation, fate, and the gods. Its roots and branches reach into the realms of gods, giants, and humans, embodying the cycle of life, death, and rebirth. Yggdrasil's significance highlights ancient Norse beliefs about the universe's structure and the critical role of nature within their cosmology.