The Big Bang
Explore Cosmic History
Study how the universe evolved, learn about the fundamental forces , and discover what the cosmos is made of.
Overview
The origin, evolution, and nature of the universe have fascinated and confounded humankind for centuries. New ideas and major discoveries made during the 20th century transformed cosmology – the term for the way we conceptualize and study the universe – although much remains unknown.
The origin, evolution, and nature of the universe have fascinated and confounded humankind for centuries. New ideas and major discoveries made during the 20th century transformed cosmology – the term for the way we conceptualize and study the universe – although much remains unknown.
Quick Facts
The cosmic microwave background is the oldest light we can observe in the universe.
The universe’s first stars were 30 to 300 times more massive than our Sun and millions of times brighter.
