What is Cosmology?
Cosmology is the study of the origin of the universe, how it became what it is today, and how it continues to evolve.
Cosmology Meaning
To uncover whether the universe has underlying order, it is essential to understand how, or if, the universe began. And to believe that the universe has purpose begs some understanding of how it all came to be.
Here you'll find a diverse collection of articles, videos and other resources that elaborate on cosmological models, theories and research for a deeper understanding of how our universe works and what its purpose may be.
Core Cosmology Topics:
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Core Cosmology Topics

Formation of the Universe
How did the universe become what it is today?
- What is string theory?
- Is the multiverse real?
- The Goldilocks Principle
Stars, Galaxies and Black Holes
Read, watch and learn about the cosmology of stars, galaxies and black holes.
- How the Edge of Our Galaxy Defies Known Physics[VIDEO]
- How a Blind Astronomer, Wanda Diaz Merced, Found a Way to Hear Stars
- What Can Cosmic Dust Tell Us About Our Solar System?
- Hubble Science Nebula Video


Exoplanets and Extraterrestrial Life
With an average of over one exoplanet per star in the universe, it seems very possible that there could be life on other plants.
- Are we alone in the universe?
- What Do Exoplanets Mean for Us?
- James Webb Telescope — What Are Astronomers Searching For? [VIDEO]
Videos About Cosmology
Watch experts' latest discoveries and positioning on cosmology to learn more about different cosmological arguments and the science that governs our universe.