galaxies
Galaxies Regulate their Own Growth so they Don’t Run Out of Star Forming Gas
Look at most spiral or barred spiral galaxies and you will see multiple regions where stars are forming. These star…
Galaxies Filled With Old Stars Seen Shortly After the Big Bang
How can young galaxies in the early Universe have ancient stars? That's the question a team of astronomers set out…
Growing Black Holes Have Much in Common With Baby Stars
First looks would tell most observers that supermassive black holes (SMBHs) and very young stars have nothing in common. But…
Here’s Hubble’s First Image in its New Pointing Mode
This is probably what the demise of the Hubble Space Telescope was always going to look like: components failing one…
Almost a Third of Early Galaxies Were Already Spirals
In the years before the JWST's launch, astronomers' efforts to understand the early Universe were stymied by a stubborn obstacle:…
The Milky Way’s Last Merger Event Was More Recent Than Thought
The Milky Way is only as massive as it is because of collisions and mergers with other galaxies. This is…
Evidence of Dark Matter Interacting With Itself in El Gordo Merger
The Standard Model of particle physics does a good job of explaining the interactions between matter's basic building blocks. But…
Webb Finds the Farthest Galaxy Ever Seen (So Far)
There are some things that never cease to amaze me and the discovery of distant objects is one of them.…
Galaxies in the Early Universe Preferred their Food Cold
One of the main objectives of the James Webb Space Telescope (JWST) is to study the early Universe by using…
The Venerable Hubble Space Telescope Keeps Delivering
The world was much different in 1990 when NASA astronauts removed the Hubble Space Telescope from Space Shuttle Discovery's cargo…