Chinese astronauts return to earth after longest mission and other top stories.

• Chinese astronauts return to earth after longest mission

  

  China's Shenzhou-11 spacecraft returned to earth Friday, bringing home two astronauts from the rising power's longest-ever orbital mission in a milestone for its vaulting ambitions. China's state broadcaster CCTV showed the return capsule's separation ...

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• Stephen Hawking says humans have 1000 years to find a new planet (+video)

  

  Renowned theoretical physicist Stephen Hawking said in a speech at Oxford University Union that humanity only has about 1,000 years left of viable existence if it doesn't leave the planet and colonize the stars.The professor argued that humanity is unlikely to survive all of the different crises we will face over the next millennium. But humans can avoid extinction, he said, if we have colonized other planets by that time, giving humanity a fighting chance away from our "fragile" Earth.Dr. Hawk..

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• In graveyard of dead coral in Pacific, hope and life bloom

  

  WASHINGTON (AP) — In a ghost town of dead coral off a remote Pacific island, scientists have found a bit more life.In excursions a year ago and then last April, scientists examined the normally stunning coral reefs around the island of Kiritimati and pronounced it mostly a boneyard of dead coral. About 85 percent of the coral was dead, 10 percent was sick and bleached but still technically alive, and only 5 percent was doing OK.The same scientists returned this month and found that 6 to 7 perce..

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• With an Eye on Hunger, Scientists See Promise in Genetic Tinkering of Plants

  

  But Dr. Long is also convinced that genetic engineering could ultimately lead to what he called a “second Green Revolution” that would produce huge gains in food production, like the original Green Revolution of the 1960s and 1970s, which transferred advanced agricultural techniques to some developing countries and led to reductions in world hunger.The research involves photosynthesis, in which plants use carbon dioxide from the air and energy from sunlight to form new, energy-rich carbohydrate..

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• Fraction of addicts receive treatment

  

  WASHINGTON, DC - SEPTEMBER 18: Activists and family members of loved ones who died in the opioid/heroin epidemic take part in a "Fed Up!" rally at Capitol Hill on September 18, 2016 in Washington, DC. Protesters called on legistlators to provide funding for the Comprehensive Addiction and Recovery Act, which Congress passed in July without funding. Some 30,000 Americans die each year due to heroin and painkiller pill addiciton in the United States. (Photo by John Moore/Getty Images) OR..

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'Vote Trump' painted on wall of burned-out black church in Mississippi .	Bicyclist killed in Fort Wayne hit-and-run; police search for 2 vehicles .
Fort Wayne forward is unique on, off the floor .	3-pointers: Breaking down the Bulls' loss to the Pacers .