What came before the Big Bang? This video explores three prominent theories: 1. **Cyclic Universe**: This theory suggests ...

Physicists are quietly entertaining one of the strangest ideas in modern cosmology: that the cosmos we see might be only half ...

The idea that there was a definite beginning to the universe as we know it, at a time we can calculate, is well established in the public imagination. It may therefore come as a shock to be reminded ...

Thanks to gravity, at least we're aware dark matter exists. We also know it's eerily abundant, accounting for about 85 percent of all matter in the Universe. Aside from that, though, we're pretty ...

From the Catholic priest who pioneered it, to how we can (almost) see it, here are 5 fascinating facts about the Big Bang. When you purchase through links on our site, we may earn an affiliate ...

Ralph Alpher, a physicist whose early calculations and theoretical predictions supported the Big Bang concept for the origin of the universe, though his role was largely overlooked as later ...

Cosmic inflation tries to describe one brief but crucial phase in the Big Bang that launched the universe onto its expansion course. Credit: Christine Daniloff / MIT / ESA / Hubble / NASA Many ...

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of "Ask a Spaceman" and "Space Radio," and author of "How to Die in Space." First developed around a century ...