The International Space Station was orbiting 269 miles above the Indian Ocean southwest of Australia when this nighttime photograph was taken of the aurora australis, or "southern lights."
The International Space Station was orbiting 255 miles above the Mediterranean Sea when an Expedition 59 crewmember looking northwest took this photograph of Italy and its island Sicily.
This image shows an irregular galaxy named IC 10, a member of the Local Group -- a collection of over 50 galaxies in our cosmic neighborhood that includes the Milky Way.
The highly saline Lake Elton in Russia, near the border with Kazakhstan, is the largest mineral lake in Europe.
The Namib Desert on the Atlantic Coast of Namibia is photographed from an altitude of 259 miles as the International Space Station orbited off the coast of the southwestern Africa nation.