galaxies
Death in the Sky: M31 Shreds its Satellites
[/caption] An international team of astronomers has identified two new tidal streams in M31, the Andromeda galaxy. They are more-or-less…
Latest from Hubble: Star Formation Fizzling Out in Nearby Galaxy
[/caption] Most galaxies are throughout the universe are happenin' places, with all sorts of raucous star formation going on. But…
Dark Energy Model Explains ‘Hubble Sequence’ of Galaxies
Caption: A figure illustrating the Hubble sequence. Image: Ville Koistinen One look at a Hubble Deep Field image reveals that…
Galactic Building Blocks
The current view of galactic formation is that galaxies form from a "bottom-up" method. In this picture, small dwarf galaxies,…
Spirals, Tides, and M51
Spiral galaxies are undoubtedly one of the most beautiful structures in the universe. Yet, their simple elegance belies a complex…
Hubble Takes a New “Deep Field” Image with Wide Field Camera 3
Hubble's latest image is another stunner -- and just look at all the galaxies! Hubble has produced a new version…
How Galaxies Lose Their Gas
As galaxies evolve, many lose their gas. But how they do this is a point of contention. One possibility is…
Quasar Caught Building Future Home Galaxy
The birth of galaxies is quite a complicated affair, and little is known about whether the supermassive black holes at…
Try Your Hand At Galaxy Zoo’s New “Slot Machine”
Here's your chance to play online slot machines without risking your life savings. Plus it's an opportunity to contribute to…
Ring of Stars in Centaurus A Uncovered
Centaurus A (NGC 5128) is one of the most studied objects in the Southern sky, because it is the giant…