Carnival of Space Week 53

Carnival of Space week 53 is up at spacecynic

Nextbigfuture supplied its article about new lasers that are 100 times faster and able to improve the sensitivity of earthlike planet detection by one hundred times

Colony Worlds talks about whether Mercury is better than Mars for colonization

Centauri Dreams talks about life propogating through the interstellar space via microbes.

There are several other articles at the carnival of Space week 53 is up at spacecynic