Cosmology

Cosmology is the study of our universe and it’s evolution from the beginning to a (possible) end. Major topics of interest are cosmic expansion, the size of the universe, the birth and death of stars and galaxies, dark matter, whether our universe is just one of many in a multiverse, and how to measure distances.

18 Articles
cosmology
CosmologyScience Reader Specials

Cosmology: The Science of How the Universe Works

Cosmology is the study of the universe as a whole: its origin, structure, evolution, and fate. From the Big Bang to dark energy,...

hubble constant black hole merger silence
CosmologyScience Explorer

The Silence Between Black Holes

Black holes are colliding in silence across the cosmos. That silence could help explain cosmic expansion.

From Amazon Desk to Cosmic Strings: Tracing Matter's Origin Story
CosmologyScience Watcher

Where Does Everything Come From?

Everything around you came from somewhere - but the trail leads to questions science may never answer

supernova distance measurement bias
CosmologyScience Explorer

The Cosmic Expansion May Not Be Accelerating After All

A controversial finding by Korean cosmologists suggests that the expansion of the universe may be slowing down.

The spacetime paradox we rarely talk about
CosmologyScience Tracker

The spacetime paradox we rarely talk about

What does it really mean to say that spacetime "exists"? This simple question reveals deep confusion in modern physics.

spacetime memory discrete cells
CosmologyScience Tracker

The universe remembers everything as cosmic memory

What if every interaction in the universe leaves a permanent imprint in the fabric of spacetime itself?

Big Bang Can't Repeat, Physicists Proves
CosmologyScience Watcher

Why Physicists Struggle to Kill the Cyclic Universe

Could our universe's expansion be a one-way ticket, defying hopes of cosmic recycling?

The Cosmology Crisis Just Got Even Worse
CosmologyScience Watcher

Dark Energy Is Weakening. Three Experiments Now Agree.

Three independent experiments – DESI, the Dark Energy Survey, and the South Pole Telescope – now all point the same way: dark energy...

Is Our Universe Inside a Black Hole?
CosmologyScience Explorer

The Strange Math That Places Our Universe Inside a Black Hole

A striking density coincidence and a puzzling galaxy rotation study raise a question cosmologists keep revisiting: could our universe exist inside a black...

center of the universe is everywhere and nowhere
CosmologyScience Explorer

Where Is the Center of the Universe? You're Asking the Wrong Question

The universe has no center. Every point has equal claim to being the middle of everything.