galaxy evolution

Gaia Finds Ancient Satellite Galaxy Pontus Embedded in Milky Way

A recent study looked at stellar streams hidden in Gaia’s data, to uncover a torturous past.

4 months ago

A Detailed Scan of the Milky Way Finds Possible “Fossil” Spiral Arms

New research has revealed previously unknown wispy structures in the Milky Way disk that could offer clues about the history…

6 months ago

Early Massive Galaxies ran out of gas, Shutting Down Their Star Formation

Galaxies that formed within the first few billion years after the Big Bang should have lived long, healthy lives. After…

9 months ago

When Galaxies Collide, Black Holes Don’t Always Get the Feast They Were Hoping for

What happens when galaxies collide? Well, if any humans are around in about a billion years, they might find out.…

1 year ago

This galaxy took only 500 million years to form

Galaxies are supposed to build up a very slowly, taking billions of years to acquire their vast bulk. But a…

2 years ago

Extreme galaxies depend on extreme conditions for their formation

Some galaxies are too small, and some galaxies are too big, while others are just right. A new survey of…

2 years ago

Hubble Captured a Photo of This Huge Spiral Galaxy, 2.5 Times Bigger than the Milky Way With 10 Times the Stars

This galaxy looks a lot like our own Milky Way galaxy. But while our galaxy is actively forming lots of…

2 years ago

The First Results From The IllustrisTNG Simulation Of The Universe Has Been Completed, Showing How Our Cosmos Evolved From The Big Bang

The IllustrusTNG Project has created a large and detailed simulation of the Universe. It's helping us answer some important questions…

4 years ago

What is Galactic Evolution?

Galaxies have a natural life cycle, which began shortly after the Big Bang and will likely continue for several trillion…

6 years ago

Milky Way Shakes, Rattles and Rolls…

For decades astronomers have puzzled over the many details concerning the formation of the Milky Way Galaxy. Now a group…

8 years ago