galaxies

The Large Magellanic Cloud Stole one of its Globular Clusters

Astronomers have known for years that galaxies are cannibalistic. Massive galaxies like our own Milky Way have gained mass by…

5 days 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…

2 weeks ago

The Galactic Beauty of Star Formation

I'd never seen galaxy images like this before. Nobody had! These images highlight star forming regions in nearby(ish) galaxies. There…

2 months ago

The Milky Way Broke one of its Arms

The Milky Way galaxy is our home, and yet in some ways, it is the least understood galaxy. One of…

2 months ago

Supermassive Black Hole Winds Were Already Blowing Less Than a Billion Years After the Big Bang

New evidence shows that black holes and galaxies have a significant effect on each other in young galaxies.

4 months ago

Rare Triple Galaxy Merger With at Least Two Supermassive Black Holes

One of the best things about that universe is that there is so much to it.  If you look hard…

4 months ago

Protogalaxy Cluster Found When the Cosmic Fog Was Starting to Clear, When the Universe Was Just 750 Million Years Old

Origin stories are a focus of many astronomical studies.  Planetary formation, solar system formation, and even galaxy formation have long…

8 months ago

Astronomers Can Predict When a Galaxy’s Star Formation Ends Based on the Shape and Size of its Disk

A galaxy's main business is star formation. And when they're young, like youth everywhere, they keep themselves busy with it.…

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.…

9 months ago

Galaxy Mergers can Boost Star Formation, and it can Also Shut it Down

Galaxy mergers are beautiful sights, but ultimately deadly. In the midst of the collision, the combined galaxy will shine brighter…

9 months ago