The Carnival of Space 34 is up at Rainer Gerhards space launch blog.
I provided my updated look at the status of scramjets
Colony Worlds considers gravity suits for offworld children
A Babe in the Universe reports on the Gravity Recovery and Interior Laboratory mission to study the moon
There is a lot of speculation about gamma rays and 3C321 (a galaxy blasting another galaxy with fatal radiation).
Centauri Dreams analyzes gamma rays and civilization