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.
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History of Cosmology
Our knowledge and understanding of the universe is ever changing as generations of scientists build on the discoveries of those before them. The articles and videos below dive into a few of these instances.
- Challenging Heliocentrism: The Great Debate of 1920
- Learn about past cosmological models in the award-winning Purposeful Universe video Big Bang Cosmology
- Cosmology Before and After Einstein’s Theory of Gravitation[Video]
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Read about the discovery of exoplanets and the ongoing search for habitable life
Formation of the Universe
A scientific understanding of human evolution and psychology helps inform what the purpose of life may be.- What Does Evolution Mean? [VIDEO]
- The Purposeful Universe: Official Trailer [VIDEO]
- Evolutionary Psychology Examples and More with Dr. Dan Kuebler [VIDEO]
- What Makes Humans Different From Other Animals? [VIDEO]
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]
The James Webb Space Telescope
News and information about the exciting James Webb Space Telescope.
- Raw Beauty: The Yuba River and the Webb Telescope’s First Images
- James Webb Telescope — What Are Astronomers Searching For? [VIDEO]
- James Webb’s First Images: Light From the Early Universe
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Meet Natalie Batalha and Natasha Batalha, JWST’s Mother-Daughter Team
Image credit: NASA
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.
Articles About Cosmology
Read experts' latest discoveries and positioning on cosmology to learn more about the science that governs our universe.
NASA Artemis Mission [VIDEOS]
How Do We Know The Age of The Universe? [VIDEO]
The First 100 Days of the James Webb Space Telescope
Short Cosmology Videos
Only have a minute? These short videos are packed with amazing facts and insights about cosmology.
Common Cosmology Questions
Answers to frequently asked questions about cosmology
- Dr. Stephen Barr addresses the possibility of a multiverse.
- Alexander Vilenkin addresses the question of what happened before inflation?