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The Margerie Glacier, one of many glaciers that make up Alaska's Glacier Bay National Park. President Obama will visit Alaska Monday to highlight the affects of climate change.

Obama Plays Defense On Climate Change Ahead Of Alaska Trip

Alaska is on the "bucket lists" for a lot of people, but for President Obama it's on his famous list of things that rhyme with bucket.

Inspektor Jan Gieber of Austrian police shows the inside of the large van outside the police station in Braunau, Upper Austria, on Sunday, where the children were found among 26 migrants trying to reach Europe.

Refugee Children Rescued In Austria Reportedly Disappear From Hospital

Updated at 12:10 p.m. ET

Three refugee children who were rescued from a minivan as they were being smuggled into Europe have reportedly disappeared from a hospital where they were being treated for dehydration.

Meanwhile, there were more arrests in a similar case in Austria last week in which 71 migrants were found dead in a truck.

Renowned British neurologist and author Oliver Sacks, pictured in London in 1983, died Sunday of cancer. He was 82.

Oliver Sacks Was A Boundless Explorer Of The Human Brain

Oliver Sacks, a neurologist and best-selling author who explored the human brain one patient at a time, has died of cancer. He was 82.

Sacks was best known for his books The Man Who Mistook His Wife for a Hat and Awakenings, which became a 1990 feature film starring Robin Williams and Robert De Niro.

This undated photo provided by the Harris County Sheriff's Office on Saturday shows Shannon J. Miles. Prosecutors in Texas are charging the 30-year-old man with capital murder in the killing of Darren Goforth, a sheriff's deputy who was gunned down from behind while filling up his patrol car at a suburban Houston gas station.

Motive Still Sought In Fatal Shooting Of Texas Sheriff's Deputy

A motive remains elusive as investigators in Texas try to determine why a 30-year-old suspect in custody would have gunned down a sheriff's deputy while he was fueling his patrol car at a gas station near Houston.

Shannon J. Miles, 30, was charged Saturday in what authorities have described as an "execution-style" killing of 47-year-old Harris County Sheriff's Deputy Darren Goforth.

Vermont Sen. Bernie Sanders speaks at the Iowa State Fair. A new poll out Saturday shows Sanders gaining on front-runner, Hillary Clinton.

Sanders Gaining On Clinton. '2008 All Over Again'?

When a wispy-haired, septuagenarian senator from Vermont with a Larry David-style and a life-long passion for talking about income inequality decided to run for president, not many took him seriously.

That's especially true, considering that senator, Bernie Sanders, was going up against the New York Yankees of Democratic politics — the Clintons.

But now Sanders is gaining in the polls, including in the gold-standard poll in Iowa — out Saturday night.

Protesters hold a sign Saturday that reads, in Portuguese, "Don't kill our children," in a march against police and gang conflicts that have left residents of the Complexo de Alemao favela in the crossfire.

Rio's Favelas Feel The Peace — And The Pressure — Of Pacification

On a Saturday morning, in a group of Rio de Janeiro's notoriously violent shanty towns, or favelas, heavily armed pacification police stand on one side of the street, on the other side, protestors call for them to withdraw.

On the protest side, Mayse Freitas lists the people she knows who have been injured or killed in shootouts in the area recently.

"I'm a mother and a grandmother," Freitas says. "I don't want my children or grandchildren to be next."

Neurologist Dr. Oliver Sacks speaks at Columbia University in June 2009 in New York City. Sacks, a prolific author and commentator, has died at age 82.

Oliver Sacks, Renowned Neurologist And Author, Dies At 82

Oliver Sacks, the famed neurologist and best-selling author of books such as The Man Who Mistook His Wife for a Hat, died of cancer today in New York City at the age of 82, a longtime friend and colleague has confirmed.

The London-born academic's 1973 memoir Awakenings, about his efforts to use the drug L-Dopa to bring patients who survived the 1917-1928 encephalitis epidemic out of their persistent catatonic state, was turned into a 1990 Hollywood film starring Robin Williams and Robert De Niro. He was the author of a dozen other books.

NASA Scientists Simulate A Year On Mars — On Hawaii

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As Alaska's Climate Warms, Seabird Population Shrinks

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Spanish And Arabic Mixes In Accused Terrorist's Home Town

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