Dark-energy evidence suggests the universe will end in a “big crunch” roughly 20 billion years from now. The universe is nearing the halfway point of what may be a 33-billion-year lifespan, according ...

How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, ...

String theory suggests that the BIG BANG was not the origin of the universe but simply the outcome of a preexisting state Was the big bang really the beginning of time? Or did the universe exist ...

JWST observations show that early galaxies were chaotic, gas-filled systems rather than stable disks. Researchers from ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

So much happened in the earliest moments of the universe. Elementary particles appeared, the first nuclei of hydrogen and ...

Scientists have recreated the first molecule ever to form and found that it likely played a much bigger role in the birth of early stars than previously thought. It then took another 380,000 years for ...

Could our universe be expanding then shrinking back into a tiny point, reliving a kind of big bang over and over again? Probably not, according to a mathematical analysis that argues that the laws of ...