Queen Elizabeth II and Prince Philip, Duke of Edinburgh, have an audience with Pope Francis at the Vatican during their one-day visit to Rome on Wednesday. Image via Oli Scarff/Getty.

Lucy Hamlin and her husband, Spc. Timothy Hamlin, wait for permission to re-enter the Fort Hood military base, where they live, following Wednesday's shooting. Image via Tamir Kalifa/AP.

Locals inspect a boat washed ashore by a small tsunami in the northern town of Iquique, Chile, after a magnitude 8.2 earthquake struck the northern coast on Wednesday. Image via Cristian Viveros/AP.

Egyptian security forces stand guard after multiple explosions hit the area outside Cairo University, killing at least two, in Giza, Egypt, on Wednesday. The bombings targeted riot police routinely deployed at the location in anticipation of near-daily student protests. Image via Sabry Khaled, El Shorouk Newspaper/AP.

A restaurant in Iquique, Chile burns after an 8.2-magnitude earthquake struck off the Chilean coast Tuesday night. At least five people died overnight and two northern regions in Chile were declared disaster areas, though no major damage has been reported. Image via Cristian Viveros/AP.

A Balinese girl tries to avoid a kiss during the Omed Omedan kissing festival in Bali, Indonesia, on Tuesday. During the festival, village priests dump buckets of water over couples to douse their passions. Image via Firdia Lisnawati/AP.

Missouri University of Science and Technology's website always looks like this.

A search and rescue worker walks through the site of the deadly March 22 mudslide in Oso, Washington. The official death toll from the disaster now stands at 24, with another 22 still missing. Image via Ted S. Warren/AP.

Maria Flor Rios holds her son Giovanni Gonzales as they stand in line with others waiting to sign up for health care insurance at the business office of Parkland Hospital in Dallas on Monday. Image via LM Otero/AP.

A volunteer from an NGO called Malaysians For Malaysia gets ready to release balloons as a symbol of remembrance for the victims of flight MH370 at Titiwangsa Lake on Sunday in Kuala Lumpur, Malaysia. Image via Rahman Roslan/Getty.

A South Korean marine LVT-7 landing craft sails to shore through a smoke screen during the U.S.-South Korea joint landing exercise on Monday. North Korea has reportedly announced plans to conduct live-fire drills near the rivals' disputed western sea boundary. Image via Ahn Young-joon/AP.

Cool Pope Francis confesses his sins in full view of cameras and attendant churchgoers. "At one point, the priest hearing his confession appeared to chuckle," the Associated Press reports. "Francis, solemn-faced, then rose and started hearing confessions himself." Image via AP Photo/L' Osservatore Romano.

The rainbow flag flies over a building next to Nelson's Column monument in Trafalgar Square in central London on Friday. It marks the start of same-sex weddings in the UK, which will begin at midnight on Saturday. Image via Lefteris Pitarakis/AP.

Four search and rescue workers wade through water covering Washington Highway 530 on Thursday. They worked on the eastern edge of the massive mudslide that struck Saturday near Darrington, Wash. Image via Ted S. Warren, Pool/AP.

President Obama meets with Pope Francis for the first time on Thursday. They met at the Vatican for about an hour, and Obama gave the pope a box of assorted seeds from the White House garden. Image via Pablo Martinez Monsivais/AP.

[Search and rescue workers are still combing through the wreckage of Saturday's mudslide in Washington. Authorities say the debris field is a square-mile wide and as deep as 40 feet with a "moon-like surface" of mud, ice, and quicksand-like pits. Image by Rick Wilking via AP.]

The Soyuz TMA-12M space ship, carrying a new crew to the International Space Station, blasts off at a Russian-leased cosmodrome in Kazakhstan on Wednesday. Onboard are two Russian cosmonauts and one American astronaut. Image via Dmitry Lovetsky/AP.

Students protesting against a China-Taiwan trade pact are forced by riot police to leave the government Cabinet buildings in Taipei, Taiwan, on Monday, when hundreds of protesters opposed to a broad trade pact with China invaded the offices. Image via Wally Santana.

Michelle Obama tries to assimilate into checks out the Terracotta Warriors with her daughters and her mother in Xi'an, China, on Monday. Image via Alexander F. Yuan/AP.

A Chicago train car derailed early Monday morning, barreling through the O'Hare Airport station and running halfway up a flight of stairs before coming to a stop.