Cosmology
Is the Universe a Fractal?
We find examples of fractals everywhere in nature. Tree branches, snowflakes, river deltas, cloud formations, and more. So it's natural…
The Largest Rotating Objects in the Universe: Galactic Filaments Hundreds of Millions of Light-Years Long
We've known for a while about the large-scale structure of the Universe. Galaxies reside in filaments hundreds of millions of…
Is the Hubble constant not…Constant?
Cosmologists have been struggling to understand an apparent tension in their measurements of the present-day expansion rate of the universe,…
A Dark Matter map of our Local Cosmic Neighborhood
A new simulation by a team of astrophysicists has resulted in the most detailed 3D map of the cosmic web,…
What Happened Moments After the Big Bang?
New experiments in particle physics yield surprising results about the earliest matter in the universe.
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…
11-Sigma Detection of Dark Energy Comes From Measuring Over a Million Extremely Distant Galaxies
A new study confirms the existence of dark energy with stunning accuracy.
A new Technique Could use Quasars to Directly Measure the Expansion Rate of the Universe
The evolution of cosmic expansion could be measured by a new method using intensity correlation speckles.
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…
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.…