Alzheimer's link? Study finds air pollution particles in human brain and other top stories.

• Alzheimer's link? Study finds air pollution particles in human brain

  Microscopic magnetic particles from air pollution have been discovered in human brains, according to a study published on Monday. Analysis of brain tissue from 37 people – aged between three and 92 and from Mexico City and Manchester – was undertaken, with researchers finding "abundant" magnetite nanoparticles, according to a news release from Lancaster University, whose researchers led the project. The findings are significant because researchers believe the magnetic particles they ..

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• Real-life Nessie: Ancient Scottish sea monster finally getting its due

  

  (Todd Marshall) Half a century after it was first discovered, the fossil of an ancient Scottish ichthyosaur – a creature that ruled the seas some 170 million years ago – is finally being studied. On Monday, the specimen dubbed the Storr Lochs Monster was unveiled to the public by National Museums Scotland, but only after sitting on a shelf for 50 years waiting for her day in the spotlight. Just don't say she was gathering dust. "Look, a lot of specimens are in museums for a long time before..

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• Ten Ways 'Proxima b' Is Different From Earth

  

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• PHOTOS: Take a moment and appreciate giant pandas

  

  A photo taken on April 1, 2014 shows the giant panda Hao Hao eating bamboo at Pairi Daiza animal park in Brugelette, Belgium. AFP PHOTO / BELGA / VIRGINIE LEFOUR -- BELGIUM OUT -- (Photo credit should read VIRGINIE LEFOUR/AFP/Getty Images) Giant panda 'Huaao' shakes hands with a breeder across the glass at Yantai Nanshan Park Zoo on June 9, 2014 in Yantai, Shandong Province of China.  Two giant pandas Tuan Tuan and Yuan Yuan are seen at the Bifeng Gorge Base of the China Conserv..

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• Why is NASA chasing this asteroid?

  

  "This is a dark asteroid that we have found and we're going to hunt down, we're going to orbit, we're going to take a good look at it and we're going to bring back a sample," Jim Green, director of NASA's Planetary Science Division, said at a news briefing on August 17. In this real life story, NASA's OSIRIS-REx space probe will spend two years flying through space to catch up to an asteroid named Bennu, a big, roundish space rock that has made it onto NASA's list of Potentially Hazardous Astero..

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• Is climate change making typhoons stronger?

  

  Warming waters are producing increasingly powerful typhoons, according to a new study from the University of North Carolina at Chapel Hill.Ocean warming has already left a clear mark on marine biodiversity, causing coral bleaching and altered animal behavior. But a new study, published Monday in the journal Nature Geoscience, emphasizes the impact of warming waters on coastal communities. In the last 40 years, researchers say, tropical cyclones in East and Southeast Asia have increased – both i..

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• Watch three astronauts return from the International Space Station this evening

  

  Tonight, three astronauts will say farewell to the International Space Station as they head back to solid ground. Russian cosmonauts Alexey Ovchinin and Oleg Skripochka, along with veteran NASA astronaut Jeff Williams, will make the three-hour return trip back to Earth in a Russian Soyuz capsule this evening. After getting in the spacecraft, the trio is scheduled to undock from the station at 5:51PM ET and then land in Kazakhstan at 9:14PM ET. The three astronauts have been on the ISS for the..

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• Juno images reveal that Jupiter's poles are unlike anything NASA imagined

  

  Dipping as close as 2,500 miles above Jupiter’s clouds, NASA’s Juno spacecraft snapped the first images of the gas giant’s north pole, and some of its best images yet, during a six-hour fly-by on August 27. It took a day and a half for the agency to download the six megabytes of data transmitted back to Earth. It will take more time still to analyze all the information but, over the weekend, the agency released the first set of images.“First glimpse of Jupiter’s north pole, and it looks like not..

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• Existing Climate Change Data Not Enough To Predict Lizard Extinction Accurately: Study

  

  A group of scientists studying the impact of global warming on the Earth's lizard populations warns that current climate models might not be enough to accurately predict the fate of the scaly critters in the coming years. Previous studies have suggested that at the rate of warming the planet is experiencing, lizard populations won't be able to adapt fast enough to keep up with the drastic changes in their environment, resulting in the loss of as much as 40 percent of their numbers around the wo..

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• The Philae spacecraft was lost on a comet for two years. Now it's been found.

  

  Rosetta’s lander Philae has been identified in OSIRIS narrow-angle camera images taken Sept. 2 from a distance of 2.7 km. The image scale is about 5 cm/pixel. (European Space Agency/Rosetta/MPS for OSIRIS Team ) The Philae lander made history in November 2014 when it became the first spacecraft ever to touch down on a comet and take pictures of what it saw. Then it vanished. Although Philae was able to send just a few sporadic signals to its parent spacecraft, the Rosetta orbiter, indicatin..

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