Can science explain the universe without needing a divine creator?

Technology · Published 20 October 2026 Swipe more like this →

In short: Sean Carroll argues that centuries of scientific progress have rendered the concept of a deity unnecessary for explaining our existence. As a physicist and philosopher, he champions 'poetic naturalism'—a worldview where the universe is governed by natural laws, yet human life still retains profound meaning and wonder.

Carroll, a theoretical physicist and Homewood Professor of Natural Philosophy at Johns Hopkins University, explores the intersection of cosmology, quantum mechanics, and philosophy. He argues that science no longer requires the positing of a divine being to account for the universe's existence, a position he has defended in both academic journals and public debates against various religious apologists.

A key component of his philosophy is 'poetic naturalism,' a term he coined to describe a worldview that embraces the scientific reality of a natural universe while acknowledging the human experience of meaning. This approach seeks to bridge the gap between the submicroscopic components of the universe and the human questions of origin and purpose. He asserts that thinking like a scientist leads to the conclusion that God does not exist, yet this doesn't preclude a sense of awe or a rich cultural life.

His research touches on complex cosmological problems, such as the 'arrow of time' and the nature of the Big Bang. For instance, he and Jennifer Chen posit that the Big Bang was not a unique singularity but one of many cosmic inflation events. They suggest the universe is infinitely old and 'statistically time-symmetric,' containing equal progressions of time both forward and backward. By focusing on these foundational questions of physics and complexity, Carroll aims to provide a comprehensive picture of how the world works at its deepest levels.

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