For more than a century, physicists have suspected that the familiar three dimensions of space and one of time might be only ...

Encouraged by successes in understanding black holes, theoretical physicists are applying what they’ve learned to whole ...

Einstein's theory of general relativity is our best description of the universe at large scales, but a new observation that reports a "glitch" in gravity around ancient structures could force it to be ...

The observable universe is 92 billion light-years across and contains trillions of galaxies. Telescopes can only show us the observable universe; we can't see beyond it. The universe's shape is ...

Controversial research suggests the Big Bang may be a myth due to its reliance on the Doppler effect theory. This idea says the universe is neither expanding, nor contracting; instead it is steady, ...

The fabric of expanding space as illustrated over cosmic time. One of the consequences of the expansion is that the farther away a galaxy is, the faster it appears to recede from us, and that the ...

The universe began with an unimaginably hot, dense state. Inflation rapidly expanded the universe's size. Before inflation, the universe existed in a period called the GUT era where forces were ...

Many astronomers have wondered where the center of the universe is. If the Big Bang created the entire observable universe, then it stands to reason that the event had a point of origin. As it turns ...

A new rumor revealed details about the first teaser trailer for Masters of the Universe. It offered a glimpse of Prince Adam’s transformation and classic characters. A Reddit user shared the ...

How did the universe start? Did we begin with a big bang, or was there a bounce? Might the cosmos evolve in a cycle of expansion and collapse, over and over for all eternity? Now, in two papers, ...