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For the first time, scientists have managed to spot a lonely black hole drifting through space thanks to its gravity ...

A repeating nova eruption in the Large Magellanic Cloud has shattered temperature records, revealing unexpected chemical ...

Apple iPhone 4S mobile was launched in October 2011. The phone comes with a 3.50-inch touchscreen display offering a resolution of 640x960 pixels at a pixel density of 326 pixels per inch (ppi). Apple ...