A boy plays in front of his flooded house in downtown of Ha Tinh city, Ha Tinh province, Vietnam.
A quarter moon is visible in this oblique view of Earth's horizon and airglow, recorded with a digital still camera on the final mission of the Space Shuttle Columbia. Columbia's crew was killed on Feb. 1, 2003 when the shuttle broke up on re-entry into Earth's atmosphere.
NASA's STS-32 crew took this view of the moon setting over the Earth's limb. Near the center is a semi-vortex in the clouds - a storm system in the early stages of formation. The moon's image is distorted due to refraction through the Earth's atmosphere.
Stonehenge skeleton unearthed by British scientists appears to be the remains of a teenage boy who died around 1550 BC. Forensic anthropology reveals that he traveled from the Mediterranean — and he's not the only traveler from a distant land who found his way to the famous monument.
Boy with Amber Necklace remains, discovered near the Stonehenge monument in Britain, are believed to have come several hundred miles from the south. Boy with Amber Necklace is thought to have been a teenager when he passed.
A plane drops fire retardant on a burning ridge as the sun sets behind it and a wildfire burns west of Loveland, Colo., on Sunday.
President Barack Obama walks to greet people on the tarmac as he arrives at Cape Cod Coast Guard Air Station in Bourne, Mass., Aug. 18, 2011, en route to a family vacation on Martha's Vineyard.
A woman and a child pass graffiti promoting Wyclef Jean's presidential bid on the streets of Croix-des-Bouquets, Haiti, on Thursday. Jean will announce his bid for president of earthquake-ravaged Haiti this week, Time magazine has reported. Haiti, which was hit on Jan. 12 by a deadly 7.0-magnitude earthquake, is scheduled to vote on November 28 to elect a new leader to replace President Rene Preval, whose term ends in February.
People carry their belongings after heavy flooding destroyed their homes in Nowshera, Pakistan, on Monday. The government has deployed thousands of soldiers and civilian rescue workers to save an estimated 28,000 people trapped by the floodwaters, and to distribute food and collect the bodies of the victims.
What happens when you crash into a comet? That was a question considered by astronomers when they designed the Deep Impact mission, launched in January. On July 4, the Deep Impact spaceship will reach its target, Comet Tempel 1, and fire an impactor at its surface, photographing the result. The remaining crater may tell how Tempel 1 is constructed. If, for example, the comet is an extremely loose pile of debris, the impactor may leave little or no discernable crater. But if the comet's surface is relatively firm, the impactor's ripple may leave quite a large crater. Pictured above is an artist's impression of the initial encounter between the spacecraft and the comet.