In this video, Arvin Ash explores the history of the universe from the Big Bang to modern cosmology. Key discoveries include: ...

Cosmology is a branch of astronomy involving the science of the universe's origin. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Cosmology is a ...

1915: Albert Einstein proposes the theory of general relativity, which equates gravity to the curvature of space-time. 1929: Edwin Hubble makes the first measurement leading to the conclusion that the ...