Big Bang

This image represents the evolution of the Universe, starting with the Big Bang. The red arrow marks the flow of time. Photo: NASA
Panorama

How did the universe begin?

At the very beginning of its existence, the universe was less than a million billion billionths the size of a single atom

Photo: Nobel Laureate professor Phillip James Edwin Peebles. Illustration: Asifur Rahman/TBS
Interviews

The name big bang is misleading: Nobel Laureate Jim Peebles

Researchers detect biggest explosion since Big Bang
Science

Researchers detect biggest explosion since Big Bang