“Our existence is probably not an evolutionary fluke,” says Jennifer Macalady, a study co-author and microbiology professor ...

A new theory published late last year is offering an explanation as to why our universe is expanding at an accelerating rate.

According to this theory, the universe began as an infinitely small ... It was first predicted by Ralph Alpher and other scientists in 1948 but was found only by accident almost 20 years later.

This has led astrophysicists to explore other avenues for explaining why ... and Watabiki ran the calculations for this ‘baby universe’ theory, the calculations fit more closely with real ...

One is in our conception of inflation, the theory of the extremely early universe ... But traveling to the other universes wouldn't be easy, because they're far beyond our observable horizon ...

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New findings risk turning the tension into a crisis, scientists say.

String theorists are betting that extra dimensions do indeed exist; in fact, the equations that describe superstring theory require a universe with ... comprehend a space other than the two ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of what the universe looked like in the moments before it rapidly changed ...

The other support LeMaitre used was the idea ... those supporting it and those who favored a "steady state" theory of the universe, in which the universe was eternal and unchanging.