Researchers have been adding seeds to the Svalbard Global Seed Vault - or Doomsday Vault - since 2008. Now, for the first time, they've taken seeds out.
Thanks to all friends who shared your fantastic images of the October 2015 full moon - Northern Hemisphere's Hunter’s Moon - shining down on all the world.
For the past three years, Antarctic sea ice at maximum set records. This year, that didn't happen, and a sea ice scientist called it "a return toward normalcy."
Venus is the brightest one up before dawn, but Mars and Jupiter were closer on Saturday than they will be again until 2018. Plus many people caught Mercury!