On the topic of

Galaxies

This Just In
Dec 12, 2014 11:35 AM ET // Mike Wall, Space.com
Astronomers may finally have detected a signal of dark matter, the mysterious and elusive stuff thought to make up most of the material universe.
Oct 21, 2014 01:40 PM ET // Ian O'Neill
As galaxies mature, they stop forming stars -- but why? Now astronomers are hot on the trail of finding the culprit. Continue reading →
Oct 15, 2014 05:28 PM ET // Ian O'Neill
Like a bully running around the playground stealing smaller kids' lunch money, our Milky Way galaxy has been ransacking nearby dwarf galaxies, stealing their precious star-forming gases. Continue reading →
Sep 12, 2014 07:00 AM ET // Charles Q. Choi, SPACE.com
Quasars are the brightest objects in the universe, and display a mysterious diversity in their appearance that has puzzled astronomers for more than two decades.
Sep 10, 2014 12:43 PM ET // Ian O'Neill
The "lithium problem" has been a quandary for astronomers for decades, but now, with the help of one of the world's most powerful observatories, we've discovered that the puzzle isn't exclusive to stars inside the Milky Way. Continue reading →
Sep 3, 2014 01:00 PM ET // Irene Klotz
Using a new mapping technique that takes into account the motions -- and not just the distances -- of nearby galaxies, astronomers discovered that the Milky Way is located in the suburb of a massive, previously unknown super-cluster they named Laniakea.
Aug 25, 2014 03:22 PM ET // Ian O'Neill
The space telescope has zoomed in on a galactic pair that are gravitationally disturbing one another's stellar populations. Continue reading →
Aug 21, 2014 03:15 PM ET // Nola Taylor Redd, Space.com
Chemical signature of ancient star suggests it incorporated material blasted into space by a supernova explosion from huge star in early universe.
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