While there's a new observatory in the works in Amherst, Massachusetts, it's not aimed at looking up. It's a landform observatory. On a recent hot summer day Thomas Johnson, founder of the Friends of ...

Over 60 kilometers away from Hebukesaier county of northwest China's Xinjiang Uygur Autonomous Region, Longji Valley has a wind-erosion landform caused by geological changes of billions of years. This ...