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  1. Cosmology - Wikipedia

    Cosmology (from Ancient Greek κόσμος (cosmos) 'the universe, the world' and λογία (logia) 'study of') is a branch of physics and metaphysics dealing with the nature of the universe, the cosmos.

  2. COSMOLOGY Definition & Meaning - Merriam-Webster

    Most religions and cultures include some kind of cosmology to explain the nature of the universe. In modern astronomy, the leading cosmology is still the Big Bang theory, which claims that the universe …

  3. Cosmology | Definition & Facts | Britannica

    Nov 14, 2025 · Cosmology, the field of study that brings together the natural sciences, particularly astronomy and physics, in a joint effort to understand the physical universe as a unified whole.

  4. COSMOLOGY Definition & Meaning | Dictionary.com

    COSMOLOGY definition: the branch of philosophy dealing with the origin and general structure of the universe, with its parts, elements, and laws, and especially with such of its characteristics as space, …

  5. What Is Cosmology? Definition & History - Space

    Feb 21, 2022 · Cosmology is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang to today and on into the future. According to NASA, the definition of …

  6. Philosophy of Cosmology (Stanford Encyclopedia of Philosophy)

    Sep 26, 2017 · Cosmology (the study of the physical universe) is a science that, due to both theoretical and observational developments, has made enormous strides in the past 100 years.

  7. COSMOLOGY | definition in the Cambridge English Dictionary

    COSMOLOGY meaning: 1. the study of the nature and origin of the universe 2. the study of the nature and origin of the…. Learn more.

  8. COSMOLOGY definition in American English | Collins English Dictionary

    the branch of philosophy dealing with the origin and general structure of the universe, with its parts, elements, and laws, and esp. with such of its characteristics as space, time, causality, and freedom. …

  9. Cosmology - definition of cosmology by The Free Dictionary

    cosmology 1. The study of the origin, nature, structure, or evolution of the universe. 2. The study of the universe.

  10. DOE Explains...Cosmology - Department of Energy

    Cosmology is the study of the origin, development, structure, history, and future of the entire universe. In modern science, cosmology is divided into two branches.