The cities include not just those on the coasts, where sea level rise is a concern, but many in the interior. And one is in Ohio. Here's where.

The new study looked at the 28 most populous cities in the U.S. and 25 of them are experiencing subsidence, or land sinking, ...

Depending on the map projection used, the size of continents can be quite distorted - and a map showing the true size of each ...

Located in the northern Sinai Desert, the site is shedding new light on defensive structures built to protect Egypt's eastern borders ...