Cosmology
Everything in the Universe Fits in This One Graph. Even the Impossible Stuff
The Universe has physical constants, such as the force of gravity that define everything. If these constants were any different,…
More JWST Observations are Finding Fewer Early Massive Galaxies
Astronomers using JWST were surprised to find mature-looking galaxies in the early Universe; they challenged existing models of cosmology. Astronomers…
Euclid Recovers From a Navigation Problem and Finds its Guide Stars Again
After a bit of a hiccup with its navigation system, Euclid has found its navigation stars and is pointed the…
Colliding Neutron Stars Could Help Measure the Expansion of the Universe
A new study presents a novel and independent method for measuring cosmic expansion using kilonova
The Big Bang: What is it? Why study it? What happened before? How will it all end?
Approximately 13.8 billion years ago, the greatest event in all of existence occurred that literally created existence itself. This event…
Seeing the Web Connecting Galaxies Across the Universe
One hundred years ago, we didn't know there was anything outside of our own galaxy, the Milky Way. Now we…
Astronomers are Working to Put a Radio Telescope on the Far Side of the Moon by 2025
Technicians at Berkeley Lab are building an experiment that will conduct radio astronomy on the far side of the Moon…
The Race to Find the Farthest Galaxy Continues
The very early Universe was a busy place, particularly when stars and galaxies began to form. Astronomers eagerly search for…
A Collision Between Gigantic Galaxy Clusters. Too Big, Too Early
Just when cosmologists have a workable theory for when and how galaxy collisions happened in the early Universe, something challenges…
A New Technique Confirms the Universe is 69% Dark Energy, 31% Matter (Mostly Dark)
How much "stuff" is there in the Universe? You'd think it would be easy to figure out. But, it's not.…