Galaxy Mergers

We Might Finally Know How Galaxies Grow So Large

Astronomers have spent decades trying to understand how galaxies grow so large. One piece of the puzzle is spheroids, also…

1 week ago

JWST Reveals Star Formation at Cosmic Noon

Understanding the star formation rate (SFR) in a galaxy is critical to understanding the galaxy itself. Some galaxies are starburst…

4 months ago

This Ancient Galaxy Merger Will Produce a very Luminous Quasar

In the contemporary Universe, massive galaxies are plentiful. But the Universe wasn't always like this. Astronomers think that galaxies grew…

4 months ago

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

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

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…

7 months ago

Do Clashing Galaxies Create Odd Radio Circles?

Within the last five years, astronomers have discovered a new type of astronomical phenomenon that exists on vast scales –…

8 months ago

Astronomers Find the Most Massive Pair of Supermassive Black Holes Ever Seen

Supermassive black holes have been found at the heart of most galaxies but understanding how they have formed has eluded…

10 months ago

Hubble Sees a Bridge of Stars Connecting Two Galaxies

The poetic-minded among us like to point out how Nature is a dance. If they're right, then galaxies sometimes form…

11 months ago

The JWST Solves the Mystery of Ancient Light

The very early Universe was a dark place. It was packed with light-blocking hydrogen and not much else. Only when…

11 months ago