“Before the first stars exploded, there was no water in the Universe because there was no oxygen,” said Daniel Whalen, a ...

Years before Hubble detected cosmic expansion ... the remnant glow of the universe’s thunderous launch. Ever since then the image of the big bang has shaped and directed the work of cosmologists ...

The universe ... expansion ended only when this energy was transformed into more familiar forms of matter and energy. From one billion to three billion years after the big bang many smaller ...

Others took up the big bang theory, and for several years there were strong debates between those supporting it and those who favored a "steady state" theory of the universe, in which the universe ...

The expansion of space explains the discrepancy between 27.6 billion light-years and 92 billion light-years, the diameter of the visible universe. Have scientists disproved the Big Bang?

Water may have first formed 100–200 million years after the Big Bang, according to a modeling paper published in Nature ...

The universe appears to be expanding at a staggering speed, much faster than expected. A recent study reinforces this observation, confirming an expansion that contradicts ... such as those described ...

"Thanks to Einstein, we know that time and space are intertwined and, since the dawn of time in the singularity of the Big Bang, the universe has been expanding," Lewis said. "This expansion of ...