Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

Dark energy, the mysterious phenomenon that powers the expansion of the universe, may undergo periodic 'violent transitions' ...

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

JWST images reveal galaxy rotation patterns that challenge the Big Bang model. Could the universe be spinning?

Nobel laureate Dr. James Peebles will discuss the still-unanswered questions regarding the expansion of the universe, dark matter and more. We have good evidence that the universe we see around us is ...

That meant that things farther away from Earth were moving away faster. In other words, the universe must be expanding. He announced his finding in 1929. The ratio of distance to redshift was 170 ...

“When I started, I was always putting the cart before the horse. In my head, I had probably at least three other versions outside of Fire Country. Whether any of those ever see the light of day ...

I have always loved studying the universe and ... However, when spacetime is curved or dynamic (like in an expanding universe), the physics changes. As spacetime stretches or expands (during ...

Dark energy, the mysterious phenomenon that powers the expansion of the universe, may undergo periodic 'violent transitions' that reverse the growth of the cosmos, a new pre-print study hints.