From the Atlantic photo essay on Antarctica: The Aurora Australis,
as seen from the Amundsen-Scott Station, South Pole (7/14/09)
Science, Adventure & Whimsy intersect in California's high desert.
National Geographic Channel's new show "How Hard Can It Be?" attempted to replicate the flying cartoon balloon house from "Up."
Multiple shapes and colors fill the sky over Gujarat, India.
Sunrise at Guanabara Bay
Captured in Rio de Janeiro, Brazil, by Roberto Machado Alves.