galactic evolution
Supermassive Black Holes Shut Down Star Formation
Supermassive black holes play a central role to weaken star production in their galaxies.
The Milky Way’s Most Recent Meal was a Galaxy it Gobbled up 8-10 Billion Years ago
The Milky Way had a sausage galaxy breakfast about 8 billion years ago
The Milky Way Hasn’t Been Evenly Mixed
Gas from the intergalactic medium constantly rains down on galaxies, fueling continued star formation. New research has shown that this…
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.
Nearby Ancient Dwarf Galaxies Have a Surprising Amount of Dark Matter
According to new research led from MIT, ancient dwarf galaxies may have had more dark matter than previously thought.
Some of the Milky Way’s oldest stars aren’t where they’re expected to be
Some of the oldest stars in our galaxy have orbits similar to the Sun, and we don't know why
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…
7% of the Stars in the Milky Way’s Center Came From a Single Globular Cluster That Got Too Close and Was Broken Up
The heart of the Milky Way can be a mysterious place. A gigantic black hole resides there, and it's surrounded…
What Shuts Down a Galaxy’s Star Formation?
A new study finds that while black holes drive the formation of galaxies, they are also what kills them in…
Searching for the End of the Universe’s “Dark Age”
According to the most widely accepted cosmological theories, the first stars in the Universe formed a few hundred million years…