Astrophysicist P. Ajith discusses universe expansion, combining Einstein's theory of relativity and quantum physics for ...

Two years after Hubble's observations, a Belgian astronomer and priest, Georges Lemaître, used this premise to publish the first Big Bang-like theory to explain the beginnings of the universe.

Rather than emerging from the Big Bang along with ordinary baryonic matter, dark matter could have arisen slightly later in its own 'Dark Big Bang,' the study's authors write. It may now inhabit a ...

If the universe is 13.6 billion years old, how can astronomers see galaxies close to the Big Bang, which created the universe? That seems implausible and impossible — until you understand light.

Interactions between dark matter and dark photons during a "missing chapter" cosmic history could shed light on one of the ...

Galaxies in the early universe tend to be clumpy, but the new JWST discovery of a "grand design" spiral galaxy just 1.5 ...

After the Big Bang, for the first 380,000 years or so ... "tired light," which physicist Fritz Zwicky proposed in 1929 to explain the redshifting of photons from distant sources.

Discover cosmic strings: remnants of the Big Bang, potential clues to time travel, and key to unlocking the universe's ...

A new series set in The Big Bang Theory universe is coming. Chuck Lorre is developing the spinoff. It will stream on Max. Brian Posehn, Lauren Lapkus, and Kevin Sussman will reprise their roles. The ...