The issues of the NAI (NASA Astrobiology Institute) Newsletter are available on NAI website.
The issues of the MEPAG (Mars Exploration Program Analysis Group) Newsletter are available on MEPAG website.
The EOS ET-HOME (Evolution and Tracers of the Habitability Of Mars and Earth) group has also some news on the ET-Home website.
The EANA (European Astrobiology Network Association) news are on the EANA website.
The AbGradE (Astrobiology Graduates in Europe) news are on the AbGradE website.