A theory holds that dark matter could be involved in a mirror universe and that runs backwards before the Big Bang.

Researchers are using supercomputer simulations grounded in Einstein’s relativity to test scenarios about what may have ...

Watch Pop Mech ’s Jackie Appel reveal the story of how two men from New Jersey named Arno Penzias and Robert Wilson made one ...

He shared the Nobel Prize in Physics for his work on gravitational waves, which helped confirm Einstein’s general theory of ...

A hundred years ago we discovered the beginning of the universe. Observations of the retreating galaxies by Edwin Hubble and Vesto Slipher, combined with Einstein’s then-brand-new general theory ...

The Big Bang theory, which describes cosmic inflation, remains the most widely supported explanation of how our universe began, yet scientists are still perplexed by how these wholly different ...

New research suggests that primordial black holes created during the Big Bang could have played a major role in forming the ...

About 1 second after the Big Bang, the Universe is still very hot, with temperatures in the tens of billions of degrees: about ~1000 times hotter than in the center of our Sun.

The Big Bang happened 13.8 billion years ago, and is generally regarded as the start of the Universe as we know it. The Universe we see is expanding, cooling, and gravitating into an ever-clumpier ...

“Stuart Fails to Save the Universe”: All about the new “Big Bang Theory ”spinoff (and which guest stars are returning) The ...