- Space
- By Tudor Vieru
- December 18th, 2013
Milky Way May Have Four Spiral Arms After All
The conclusion belongs to a new, long-term investigation
- Space
- By Tudor Vieru
- September 15th, 2011
Milky Way's Shape Was Dictated by Galactic Collisions
It consumed two dwarf galaxies over the last 2 billion years
- Space
- By Tudor Vieru
- December 10th, 2009
Milky Way Needs to Be Remapped
Independent work shows it has two spiral arms
- Space
- By Tudor Vieru
- August 22nd, 2009
New Theory on How Spiral Galaxies Got Their Arms
The old, epicycle one seems to be flawed
- Space
- By Gabriel Gache
- June 4th, 2008
Milky Way Could Lose Two Arms
Sagittarius and Norma may be just gas clouds
- Space
- By Gabriel Gache
- April 9th, 2008
Weighing Supermassive Black Holes
Galactic arms outstretch may reveal the size of black holes