Earthrise: An astronaut named William Anders took this photo during the Apollo 8 mission in 1968.
A tornado struck at Alabama in March 2012, but Greg Cook hugs his dog Coco after finding her inside his destroyed home.
Stands at attention on the eve of South Sudan's independence is a Sudan People's Liberation Army soldier.
As a sign of mutual respect during a World Cup that had been marred by racism, Pele and British captain Bobby Moore trade jerseys in 1970.
During a memorial service, an eight-year-old kid named Christian Golczynski accepts the flag for his father who is Marine Staff Sgt. Marc Golczynski. Just a few weeks before he was due to return home, he was shot on patrol during his second tour in Iraq (which he had volunteered for).
Released by the Soviet Union, a German World War II prisoner reunited with his daughter that had not seen her father since she was one year old.
During the D-Day Normandy landings on June 6, 1944, U.S. Army troops wade ashore.
Seven fallen soldiers are brought through the town of Wootton Bassett in England and Helen Fisher kisses the hearse carrying the body of her 20-year-old cousin, Private Douglas Halliday.
After a doctor places an earpiece in Harold Whittles's left ear, he hears for the first time ever .
After serving in Iraq for 7 months, Terri Gurrola is reunited with her daughter at last.
A dog and her owner who is in isolation for radiation screening, are both
looking through a window in Nihonmatsu, Japan.
A 5 years old Tanisha Blevin holds the hand of a 105 years old fellow Hurricane Katrina victim Nita LaGarde as they are evacuated from the convention center in New Orleans.
During the tenth anniversary ceremonies at the site of the World Trade Center, Robert Peraza pauses at his son's name on the 9/11 Memorial .
During the 2009's devastating Black Saturday bushfires that burned across Victoria, Australia, a firefighter gives water to a koala .
As Nazis occupy Paris during World War II, a French civilian cries in despair .
After four days missing following the Japanese tsunami, a 4-month-old baby girl in a pink bear suit is miraculously rescued from the rubble by soldiers.
Near the destroyed house in Concord, Alabama in April of 2011, a mother comforts her son.
After the tsunami in Japan in 2011, the owner is reunited with his dog.
In the midst of the uprisings in Cairo, Egypt in 2011, Christians protect Muslims during prayer
Along with the honor guard, John F. Kennedy Jr. salutes his father's coffin.
From an internment camp “death train” near the Elbe in 1945, it is the Jewish prisoners at the moment of their liberation. (Full story and more pictures here.)
The owner died in the disastrous landslides near Rio de Janiero on January 15, 2011 so his dog named “Leao” sits for a second consecutive day at the grave.
An old man suddenly died while waiting for a train in Shanxi Taiyuan, China then a monk prays for him.
For participating in the Occupy Wall Street protests in 2011, retired Philadelphia Police Captain Ray Lewis is arrested.
During protests against austerity measures in Bucharest, a Romanian child hands a heart-shaped balloon to riot police.
In the tank that is now a monument, a Russian war veteran kneels beside it where he spent the war.(More pictures here.)
Years apart, these sisters pose for the same photo three separate times.
After the Tiananmen Square protests of 1989, the unknown rebel who stood in front of a column of Chinese tanks in an act of defiance which is the iconic photo of Tank Man.