Einstein was not happy. In the early years of the 20th century, he came up with his General Theory of Relativity, an ...

Others took notice and named his theory "big bang." LeMaitre's ideas opened more questions, many of which forced physics and astronomy together: What was that primordial atom like? Why would it ...

People talk about the universe starting with a Big Bang, but how could we possibly know anything about an event that happened billions of years ago – before our planet was even formed?

Cynthia Chiang is searching for signs of the universe's first light Cynthia Chiang is searching for signs of the universe's first light Big Bang Poured Out "Liquid" Universe, Atom Smasher Hints ...

The most distant and earliest known galaxy is called JADES-GS-z14-0 and its light comes from when the universe was less than ...

Big Bang theory, in science, is the idea that all the matter and energy of the Universe was once crushed into a single point, a single infinitesimal granule of everything. The Big Bang itself is ...

The universe is thought to have experienced a rapid and exponential expansion in a fraction of a second after the Big Bang.

The universe has been expanding ever since the Big Bang almost 14 billion years ago, and astronomers believe a kind of invisible force called dark energy is making it accelerate faster.

The gist of the theory is that, back in the day — well, literally at the beginning of time and space, the “big bang” — the universe went through a brief period of exponentially ...