Lying on the ground near the center of Stonehenge, partially covered by two huge slabs that appear to have toppled over, is a 16-foot-long block of gray-green sandstone. In 1620, noted landscape ...

It's the time of year when the setting sun lines up perfectly with New York City's street grid, creating a stupendous solar ...

Manhattan, New York's 42nd street was lit up with a gorgeous view of 'Manhattanhenge' on July 6. Occurring this year between ...

So the revelation that Stonehenge's central altar stone – a six-tonne, five-metre-long rectangular piece of sandstone – ...