A strange new conception of how time warps across the universe does away with cosmology's most mysterious entity, dark energy ...

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

Called SPHEREx, and set for launch on a SpaceX Falcon 9 rocket from Vandenberg Space Force Base no sooner than Tuesday night, ...

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 ...

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?

The flatness and uniformity of the universe are other cosmological puzzles. Current theories credit this to cosmic inflation, which was a brief phase of rapid expansion following the Big Bang.

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 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 ...