Pictures of the Week: The Week in Pictures

Residents clash in Puerto Cabezas, Nicaragua after the suspension of local elections.
Ruaridh Stewart / Zuma

Saturday, April 5, 2008
Journey to Mars?
Two members of the Mars Society rehearse life and work on the Red Planet at the Mars Desert Research Station, a simulated Mars environment in Hanksville, Utah. The society is dedicated to encouraging the exploration and settlement of Mars.