Cosmology

A new Method Simulates the Universe 1000 Times Faster

Cosmologists love universe simulations.  Even models covering hundreds of millions of light years can be useful for understanding fundamental aspects…

6 days ago

The Oldest Stars Help Tell us how big the Universe is

Astronomers are struggling to understand the discrepancies when measuring the expansion rate of the universe with different methods, and are…

2 months ago

New Supercomputer Simulations Will Help pin Down Inflation

In the very earliest moments of the big bang, the universe experienced a period of rapid expansion known as inflation.…

2 months ago

Simulations of the Universe are Getting Better and Better at Matching Reality

How can you possibly use simulations to reconstruct the history of the entire universe using only a small sample of…

2 months ago

Away From the Light Pollution of the Inner Solar System, New Horizons was Able to see how Dark the Universe Really is

Just how dark is the universe, anyway? It's a pretty hard thing to measure when we're sitting this close to…

4 months ago

In Theory, Supermassive Black Holes Could get Even More Supermassive

A new study proposes that the upper mass limit for black holes could be a million times larger than we…

4 months ago

There's no way to Measure the Speed of Light in a Single Direction

A new study shows that not even cosmology can verify Einstein's assumption about the speed of light.

4 months ago

New Data Supports the Modified Gravity Explanation for Dark Matter, Much to the Surprise of the Researchers

A team of astronomers set out to disprove modified gravity, and ended up confirming it instead.

5 months ago

A new Type of Atomic Clock Uses Entangled Atoms. At Most, it Would be off by 100 Milliseconds Since the Beginning of the Universe

Scientists have made a clock so accurate you wouldn't have to reset it for billions of years.

5 months ago

Neutrinos Have Played a Huge Role in the Evolution of the Universe

Neutrinos are a form of dark matter, and they play a role in the evolution of the universe.

5 months ago