In a natural color mosaic, Saturn eclipses the Sun as seen by NASA's Cassini spacecraft on July 19, 2013. This image spans about 404,880 miles (651,591 km) across. Earth is barely visible as a single pixel just below the main rings, and to the right of the planet. At this point, Cassini was looking back from more than 898 million miles (1.5 billion km) away from Earth. More details and larger versions here. #

Danielle Stephan holds boyfriend Thomas Layton as they pause between sifting through the remains of a family member's home one day after an EF5 tornado devastated the town of Moore, Oklahoma, on May 21, 2013. #

An aerial photo of a neighborhood in Moore, Oklahoma, completely flattened by the massive tornado on May 20, 2013. In less than an hour, 25 were killed, 375 injured, 1,150 homes destroyed, damages adding up to more than $2 billion. #

Surfers Garrett McNamara (left) and Mark Healey of the U.S. compete during a free session of surf tow in, in the southern Pacific ocean island of Tahiti, French Polynesia, on June 1, 2013 in Teahupoo. #

Unknown anti-gay activist hits Russia's gay and LGBT rights activist Nikolai Alexeyev (center) during an unauthorized gay rights activist rally in Moscow, on May 25, 2013. Moscow city authorities on May 15 turned down demands for a gay rights rally, but Alexeyev said he would fight a ban in court. #

Yuccas catch fire as the Powerhouse fire makes a fast run toward Lake Hughes on June 1, 2013 south of Lake Hughes, California. The 32,000-acre wildfire destroyed numerous homes. More than 2,000 firefighters worked in hot, dry conditions to establish containment lines around 60 percent of the fire as of June 4. #

A series of images shows a mockup of a terrorist with a balloon for a head, as it is shot by members of the Brazilian Navy acting as snipers, during an exhibition showcasing their operational capacity to combat terrorist attacks and riots, ahead of the FIFA Confederations Cup and World Youth Day in Rio de Janeiro May 27, 2013. #

Chinese astronaut Nie Haisheng waves before stepping out of the re-entry capsule of China's Shenzhou-10 spacecraft after it landed in Inner Mongolia Autonomous Region, on June 26, 2013. Three Chinese astronauts returned to Earth on Wednesday, touching down after a successful 15-day mission in which they docked with a space laboratory. #

A Turkish riot policeman sprays tear gas as people protest against the destruction of trees in a park brought about by a pedestrian project, in Taksim Square in central Istanbul, Turkey, on May 28, 2013. #

Erdem Gunduz (center) stands in a silent protest along with others, at Taksim Square in Istanbul, Turkey, on June 17, 2013. Gunduz, a Turkish man, staged an eight-hour silent vigil on Istanbul's Taksim Square, scene of violent clashes between police and anti-government protesters, inspiring hundreds of others to follow his lead. #

A protester tries to remain standing as police use a water cannon during clashes at Taksim Square in Istanbul, Turkey, on June 11, 2013. Hundreds of police in riot gear forced their way through barricades in the square early Tuesday, pushing many of the protesters who had occupied the square for more than a week into a nearby park. #

United Nations Secretary-General Ban Ki-moon, left, applauds as the members of the "Malala Day" Youth Assembly wish Malala Yousafzai, center, a happy birthday, on July 12, 2013 at United Nations headquarters. Yousafzai, the Pakistani teenager shot by the Taliban for promoting education for girls, celebrated her 16th birthday by addressing the U.N. The U.N. declared July 12 "Malala Day," to honor the teen who returned to school in March after medical treatment in Britain for injuries suffered in the October attack. #

A radio-controlled Superman plane, flown by designer Otto Dieffenbach, passes in front of the moon during a test flight in San Diego, California, on June 27, 2013. Otto and business partner Ed Hanley are a small start-up company that creates flying radio-controlled planes, designed in the form of people, characters and objects, for commercial and promotional uses. #

A submerged idol of Hindu Lord Shiva stands in the flooded River Ganges in Rishikesh, in the northern Indian state of Uttarakhand, on June 18, 2013. Torrential monsoon rains caused havoc in northern India, leading to flash floods, cloudbursts and landslides. #

A garden with a swimming pool is inundated by the waters of the Elbe River during floods near Magdeburg in the state of Saxony Anhalt, on June 10, 2013. Tens of thousands of Germans, Hungarians and Czechs were evacuated from their homes as soldiers raced to pile up sandbags to hold back rising waters in the region's worst floods in a decade. #

Smuggled bear paws, arranged on the ground at the China-Russia border in Manzhouli, Inner Mongolia Autonomous Region, on June 15, 2013. Two Russians were arrested for smuggling 213 bear paws into China at a China-Russia land border, according to the Chinese customs police's recent announcement. Bear paws reportedly are believed by some people in China to have high nutritional value. #

Russian President Vladimir Putin submerges on board Sea Explorer 5 bathyscaphe off the island of Gogland 180 km (110 mi) west of St. Petersburg, Russia, on July 15, 2013. Putin rode the small submersible craft 60 meters (200 feet) down to see the remains of the naval frigate Oleg, which sank in 1869. #

Smoke rises from railway cars that were carrying crude oil after derailing in downtown Lac-Megantic, Quebec, on July 6, 2013. A large swath of Lac-Megantic was destroyed after a train carrying crude oil derailed, sparking several explosions, leveling at least 30 buildings, killing 47, and forcing the evacuation of up to 2,000 people. #

Britain's Prince William and Kate, Duchess of Cambridge hold baby George, Prince of Cambridge, as they pose for photographers outside St. Mary's Hospital exclusive Lindo Wing in London where the Duchess gave birth, on July 23, 2013. #

Asiana Airlines flight attendants and rescued passengers rest on a San Francisco International Airport runway after their flight crash-landed, on July 6, 2013. Flight 214, a Boeing 777 aircraft, struck a seawall at the end of the runway, before slamming to the ground and sliding to a rough stop. Out of 307 people aboard, 3 were killed, and 181 injured. #

Song Xuxia, 19, receives treatment at a hospital after a 6.6 magnitude earthquake hit Minxian county, Dingxi, Gansu province, China, on July 23, 2013. More than 51,000 buildings collapsed and tens of thousands more were badly damaged. Song's leg, waist and face were injured during the earthquake when she was stuck in a collapsed house. Fortunately the villagers heard her cry and managed to pull her out from the debris in time, according to local media. #

A Yellow Scorpion eats his prey near Sde Boker in the Negev Desert, Israel, on August 5, 2013. Scorpions have chemicals in their cuticle that naturally fluoresce when viewed under black light. #

Thai soldiers wearing biohazard suits pass a pail full of spilled crude oil during cleaning operations at Ao Prao Beach on Koh Samet, Rayong, Thailand, on July 31, 2013. An oil spill that blackened beaches at the Thai holiday island of Koh Samet hadg an extreme impact on tourism, officials and an environmental group said. #

Anti-Morsi demonstrators gather for a mass rally to show support for the army at Tahrir Square in Cairo, Egypt, on July 26, 2013. At least seven people were killed and hundreds wounded in scattered violence across Egypt during mass rallies on Friday for and against the army's overthrow of Islamist President Mohamed Morsi, who was placed under investigation for murder. #

A military helicopter is illuminated by green laser lights from below, as it flies above Tahrir Square while a huge crowd of protesters opposing Egyptian President Mohamed Morsi shout slogans against him and Brotherhood members, in Cairo, on June 30, 2013. Egyptians poured onto the streets on Sunday, swelling crowds that numbered into the millions, calling on Islamist President Mohamed Morsi to resign. #

After Egyptian President Mohammed Morsi was ousted, his supporters took to the streets. A pro-Morsi demonstrator holds another as Egyptian security forces move in to clear a protest in the eastern Nasr City district of Cairo, Egypt, on August 14, 2013. Egyptian security forces, backed by armored cars and bulldozers, moved to clear two sit-in camps by supporters of Morsi, showering protesters with tear gas as the sound of gunfire rang out at both sites. #

A police vehicle falls off of the 6th of October bridge close to the largest sit-in by supporters of ousted President Morsi in Cairo, Egypt, on August 14, 2013. The vehicle apparently fell while backing away from protesters, and was not pushed over, as was earlier reported. #

A marionette version of Jamaica's Usain Bolt, on the track ahead of the 14th IAAF World Athletics Championships Moscow 2013 at the Luzhniki Sports Complex on August 9, 2013 in Moscow, Russia. #

A Smithsonian Institution staff holds a skull of an olinguito, a newly discovered species of Carnivore, during a news conference at the Smithsonian Castle in Washington, District of Columbia, on August 15, 2013. It took Kristofer Helgen, curator of mammals at the Smithsonian's National Museum of Natural History, and his team on a journey from museum cabinets in Chicago to cloud forests in South America to discover and confirm the new species of olinguito (Bassaricyon neblina), which has been mistakenly identified for more than 100 years. It's also the first new carnivore species to be discovered in the American continents in 35 years. #

A man holds the body of a dead child among bodies of people activists say were killed by nerve gas in the Ghouta region, in the Duma neighborhood of Damascus, Syria, on August 21, 2013. Syrian activists said at least 213 people, including women and children, were killed on Wednesday in a nerve gas attack by President Bashar al-Assad's forces on rebel-held districts of the Ghouta region east of Damascus. After UN weapons inspectors reported finding "clear and convincing evidence" that the nerve gas sarin was used, Western nations threatened retaliation. Russia stepped in to broker a compromise, where Syrian stockpiles of chemical weapons will now be destroyed, holding off threats of increased Western intervention in Syria's civil war. #

A firefighter uses a hose to douse flames of the Rim Fire on a hillside, on August 24, 2013 near Groveland, California. The Rim Fire continues to burn out of control and threatens 4,500 homes outside of Yosemite National Park. Over 2,000 firefighters battled the blaze that has entered a section of Yosemite National Park. #

In a provocative performance that echoed widely across news media and social media, Miley Cyrus and Robin Thicke perform "Blurred Lines" during the 2013 MTV Video Music Awards in New York, on August 25, 2013. #

A boy carries his dog through floodwaters brought by the monsoon rain, intensified by tropical storm Trami, in Paranaque city, metro Manila, Philippines, on August 20, 2013. Heavy rains battered the Philippine capital and nearby provinces, causing government offices, schools and some businesses to suspend work, and sending residents to flee their homes. #

An aerial view shows the Costa Concordia as it lies on its side next to Giglio Island taken from an Italian navy helicopter, on August 26, 2013. The wrecked cruise ship was successfully righted soon after, nearly two years after the liner capsized and killed at least 30 people off the Italian coast. The giant vessel, which has lain partly submerged in shallow waters off the Tuscan island of Giglio since the accident in January 2012, was rolled off the seabed and onto underwater platforms. #

26 years of growth, showing Shanghai then and now. This animated combination picture shows the financial district of Pudong in 1987 and in 2013 with the nearly-complete Shanghai Tower, in the financial district of Pudong in Shanghai, on July 31, 2013. #