galaxies

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

An Active Galaxy That Erupts Predictably Every 114 Days Or So

Computers are known for their ability to spot patterns.  It’s what they are good at, and over the last 50+…

10 months ago

The Universe in Formation. Hubble Sees 6 Examples of Merging Galaxies

Audio narration by the author is available above 10 billion years ago, galaxies of the Universe were ablaze with the…

10 months ago

This is the Fireworks Galaxy. It’s had ten Supernovae in the Last Century Alone

Say hello to NGC 6946, otherwise known as the Fireworks Galaxy. This little galaxy is the most prolific producer of…

10 months 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…

11 months ago

A Galaxy is Making New Stars Faster Than its Black Hole Can Starve Them for Fuel

A monster lurks at the heart of many galaxies – even our own Milky Way. This monster possesses the mass…

11 months ago

The family tree of the Milky Way. The mergers that gave us the galaxy we see today

Galaxies build themselves up slowly over time by cannibalizing their neighbors. Using an advanced suite of computer simulations, researchers have…

12 months ago

The Spherical Structure at the Core of the Milky Way Formed in a Single Burst of Star Formation

Like other spiral galaxies, the Milky Way has a bulging sphere of stars in its center. It's called "The Bulge,"…

1 year ago

Galaxies Grew Quickly and Early On in the Universe

The behaviour of galaxies in the early Universe attracts a lot of attention from researchers. In fact, everything about the…

1 year ago