Carnival of Space 64 is up at Music of the Spheres
This site contributed the article reporting the DARPA/MIT report that 30 centimeter long carbon nanotubes are being made and 1 meter long carbon nanotubes should be here soon.
Centauri dreams talks about communicating many thousands of generations into the future and reinforcing messages with time capsule refreshes every ten generations or so.
Universe Today talks about colonizing venus with floating cities in the clouds where the conditions are closer to earthlike
See the Carnival of Space 64 at Music of the Spheres for much more including reasons for going to space and celebrations on the anniversary of the moon landing.