Bionews
News and discussion on genetics, assisted conception, embryo/stem cell research and related areas, provided by the Progress Educational Trust

Canadian Stem Cell Network Blog
Blog of the Canadian Stem Cell Network, written by stem cell researchers, ethicists, clinicians and industry experts.

Cancer stem cell news
A blog of news items related to cancer stem cells, with an emphasis on recent research and articles that are openly accessible.  Edited by Jim Till, member of the Board of Directors of the Cancer Stem Cell Consortium (CSCC), based in Ottawa, Canada.

CIRM Research Results
Research-oriented blog from the California Institute of Regenerative Medicine

Knoepfler lab stem cell blog
Regularly updated blog by stem cell scientist Paul Knoepfler, Associate Professor in Cell Biology and Human Anatomy at the UC Davis School of Medicine.

The Niche
A blog hosted by Nature Reports Stem Cells to provide an informal forum for debate and commentary on stem cell research and its wider implications for ethics, policy, business, and medicine.  Discontinued in October 2009.

The Pluripotent
A student stem cell blog, divided into categories like "Science", "Health", "Politics & Policy" and "Religion & Ethics".  

Stem Cell Treatment Monitor
"a skeptics' guide to stem cell pseudomedicine" by Doug Sipp