Cosmology, the study of the universe as a whole, has become a precise physical science, the foundation of which is our understanding of the cosmic microwave background radiation (CMBR) left from the ...

Studies using fluctuations in the cosmic microwave background — the afterglow of the Big Bang — suggest that for every megaparsec (Mpc; or 3.2 million light years) farther out one looks ...

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

The James Webb Space Telescope was designed and built to study the early universe, and hopefully revolutionary our ...

Cosmology is the study of the universe; its birth, evolution, and ultimate fate. This includes further developing and refining the prevailing model, the Big Bang theory, investigating the universe ...

In standard cosmology, dark matter and regular matter were both produced during the Big Bang. In the Dark Big Bang scenario with two Big Bangs, however, dark matter particles can be produced later ...

"This cosmological scenario is free of the initial singularity problem present in inflationary cosmology, solving as well the ...

Credit: Deanne Fitzmaurice/National Geographic Image Collection/Alamy Our universe began with a bang—a big bang. The explosion stretched the very fabric of spacetime, sending superheated matter ...

Our current understanding of the universe is based on the Big Bang model. The model proposes that approximately 13.8 billion years ago, the universe came into existence as a singularity and ...