The disagreement in the rate of expansion of the universe, the Hubble tension, could arise from the fact Earth sits in an ...

Many textbooks and science educators have attempted to describe the Big Bang as the birth of the universe — an explosive ...

and some are calling it a “Hubble Bubble.” For years, scientists have explained the acceleration of the expansion of the universe using a theory known as the Hubble-Lemaitre constant.

This could mean that the universe could undergo catastrophic vacuum decay, with a bubble of the true vacuum expanding at the speed of light. This could happen at any time and we wouldn't see it ...

The visible universe is a bubble of the cosmos centered on our perspective ... site from which bits were blown away, according to the theory. Astronomer Edwin Hubble used the 100-inch Hooker ...