The space shuttle Atlantis is seen shortly after the rotating service structure (RSS) was rolled back at Launch Pad at the NASA Kennedy Space Center on July 2011 in this cool space wallpaper. The spacecraft lifted off July 8 on the final flight of
A unique geological phenomenon known as Danxia landform. Observed in several places in China. This example is located in Zhangye, Province of Gansu. The color is the result of an accumulation for millions of years of red sandstone and other rocks.
Des lauréats du Nobel sonnent l'alarme sur l'état de la planète