Pope Benedict meets with Fidel Castro in Havana on Wednesday as he wraps up his three-day visit to Cuba. A large crowd turned out for the Mass, though the pope did not meet with dissidents.
A Bedouin guide makes his way down from Mount Sinai to the Greek Orthodox monastery of St. Catherine in Egypt's Sinai Peninsula. The Bedouins depend on tourism, but have been kidnapping visitors in recent months in an attempt to pressure Egypt's government.
Researchers have analyzed the fossil imprints of of raindrops, like the ones shown here, to study the atmosphere of the Earth, as it was 2.7 billion years ago. The rule at the top is 5 centimeters, or about 2 inches, long.
W. Alterman/University of Pretoria
The U.S. military is trying to improve treatment of post-traumatic stress disorder. But many veterans say they're still under pressure to deny they have problems. Here, military personnel attend a presentation on PTSD at Fort Hamilton Army Garrison in Brooklyn, N.Y., in December 2009.
Chris Hondros/Getty Images
Sudanese troops stand next to a burnt-out military vehicle in the oil center of Heglig after clashes with South Sudanese forces Wednesday. Recent fighting has raised fears of a renewed war.
An oyster shucker on Samish Island, Wash. on Puget Sound. The state is frequently forced to close beaches to oyster gatherers because of the risks of harmful algae blooms.
Ted S. Warren/AP