Novacene: The Coming Age of Hyperintelligence is a 2019 non-fiction book by scientist and environmentalist James Lovelock. It has been published by Penguin Books/Allen Lane in the UK, and republished by the MIT Press. The book was co-authored by journalist Bryan Appleyard. It predicts that a benevolent eco-friendly artificial superintelligence will someday become the dominant lifeform on the planet and argues humanity is on the brink of a new era: the Novacene.