galaxies

No Merger Needed: A Rotating Ring of Gas Creates A Hyperluminous Galaxy

Some galaxies experience rapid star formation hundreds or even thousands of times greater than the Milky Way. Astronomers think that…

5 months ago

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…

5 months ago

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…

6 months ago

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…

6 months ago

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…

6 months ago

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:…

6 months ago

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…

7 months ago

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…

7 months ago

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.…

7 months ago

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…

7 months ago