10/01/13 Cretaceous-Paleogene Boundary
10/02/13 Dinosaur Ridge, Colorado
10/03/13 Why is the Night Sky Dark?
10/04/13 Shower of Perseid Meteors
10/07/13 Uluru Waterfalls
10/08/13 Naatsis’aan
10/10/13 Stansbury Island in Great Salt Lake
10/13/13 The Eiffel Tower and Lightning
10/15/13 Gignoux Lake in the Western Alps
10/16/13 Glacial Potholes in Finland
10/18/13 Comets ISON and Lovejoy
10/19/13 Virga at Sunset
10/21/13 Run Rigs at Clachtoll, Scotland
10/22/13 2000 Years of Viticulture
10/23/13 Moonrise in Haze
10/24/13 Two Moons, Two Sizes, Two Colors
10/25/13 Searchlights at Night
10/26/13 Octopus Stinkhorn
10/27/13 The Hill o' Many Stanes
10/28/13 Chelyabinsk Asteroid and Meteorite
10/29/13 Spider Web Dew Drop Size
10/30/13 Seven Sisters
10/31/13 Ghost Ships