1. the scientific study of the origin, evolution, and structure of the universe
Usage: astronomy; physics
2. a theory or belief about the nature and structure of the universe
Usage: philosophy; religion

Examples

• Modern cosmology suggests the universe began with the Big Bang.
• She studied cosmology to understand how galaxies form and evolve.
• Ancient Greek cosmology placed Earth at the center of the universe.
• The professor’s research in cosmology focuses on dark matter.
• Different cultures have developed unique cosmologies to explain existence.
• Cosmology combines physics, astronomy, and mathematics.
• The new telescope will help advance our understanding of cosmology.