Nearly twenty years ago, The Big Bang Theory set up a story that it knew would take hundreds of episode to finish.

Sound waves 'fossilized' in the arrangements of galaxies across the Universe support the theory that the Milky Way galaxy floats adrift in a giant void in space. If this is the case, we could be ...

A Doppler shift is defined as a change of frequency of light or sound when an object is moving toward or away from an observer. Edwin Hubble observed in 1929 that galaxies appear on average to be ...

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

A research team led by Rice University physicist Frank Geurts has successfully measured the temperature of quark-gluon plasma ...

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 ...