Add Yahoo as a preferred source to see more of our stories on Google. A new study raised concerns for the 28 most populous cities in the United States, most of which are sinking a small amount each ...

A new report shows Oklahoma City is among the top cities in the United States that are sinking. A Nature report looked at the 28 most populous U.S. cities and found that 25 out of the 28 are sinking ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A new study using recent satellite data finds that all ...