galactic evolution

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

5 days 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…

6 days ago

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…

2 months ago

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…

4 months ago

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…

5 months ago

An Upcoming Impact With the Magellanic Clouds is Already Causing Star Formation in the Milky Way

A new study presented at the 235th meeting of the AAS this week shows how star formation is already happening…

11 months ago

Watch a Simulation of a Galaxy, From the Big Bang Until the Present Day

The large-scale and highly-detailed TNG50 simulation has allowed scientists to shed new light on the evolution of the cosmos and…

1 year ago

The Most Massive Galaxies Spin More Than Twice as Fast as the Milky Way

Based on new observations of super spiral galaxies, a team of scientists has found that they have massive dark matter…

1 year ago

Weekly Space Hangout: October 7, 2019 – Marina Kounkel talks Stars and How They Form

Hosts:Fraser Cain (universetoday.com / @fcain)Sondy Springmann (@sondy)Beth Johnson (@planetarypan)Michael Rodruck (@michaelrodruck) This week we welcome Dr. Marina Kounkel, a postdoctoral…

1 year ago

We’re in the Milky Way’s Second Life. Star Formation was Shut Down for Billions of Years

According to a new study, the Milky Way Galaxy experienced two periods of star formation, with a two-billion dormancy period…

2 years ago