Superman is full of awesome sci-fi elements, but the most fascinating one might be Lex Luthor's pocket dimension. How does ...

How big is the Universe? Is it finite or infinite? These questions have puzzled astronomers, scientists, and curious minds ...

But instead of one universe inflating from a single event, the Big Bang, some theorists want more shots at the target—in fact, an almost infinite number of shots. Hence, eternal inflation.

Observations that estimate how old the universe is, using cosmological parameters, push the timeline back to 13.77 billion years.

Pantheism views God and the universe as one, while panentheism believes the universe exists within God, who still transcends ...

Recent media reports have claimed that a NASA experiment has detected evidence of a parallel universe, but astrophysicists disagree.

Some cosmological models propose that the universe expands and contracts in infinite cycles, but new research finds a crucial flaw in the latest version of this theory.

Scientists say the Universe has no edge, but that doesn't mean it's infinite. A Manchester astrophysicist explains what we ...

A new study by physicists highlights one way that cyclic or 'bouncing' cosmologies fall flat. 'People proposed bouncing universes to make the universe infinite into the past, but what we show is ...