The biggest story of the science week has to be the discovery/creation of bacterial life based on arsenic instead of phosphorous. Exobiologists must be frothy with excitement.
Secret Robot Spaceship x-37B pictured for the first time.Interstellar dust clouds might have provided the source of our planet's water during it's accretion.
Cassini's technical wigout has passed and is again producing the goods with a nice look at Enceladus. Apparently identifying more warm cracks, hurhur.
Sweet solar system simulator.
Labcoats trap antimatter long enough to have a quick peek.
National Geographic have a nice gallery of the years best Space pics. Mars & a Moonbow below.