Space Stations NASA Space Station On-Orbit Status 11 December 2018 – Russian Spacewalk Completed Status Report December 12, 2018
Space Stations NASA Space Station On-Orbit Status 10 December 2018 – Preparing for the Russian Spacewalk Tomorrow Status Report December 11, 2018
Space Stations NASA Space Station On-Orbit Status 8 December 2018 – Dragon Docked Status Report December 11, 2018
Press Release Life in deep Earth totals 15 to 23 billion tons of carbon — hundreds of times more than humans December 11, 2018
