Mega-cities continue to increase as Earth's population grows. The largest city in the world is Tokyo, Japan, which has nearly ...

Centrist Warsaw Mayor Rafal Trzaskowski and nationalist Karol Nawrocki will compete in a second round of the presidential ...

There’s a long way to go yet in Poland’s presidential election — but Sunday’s first round was a good day for candidates on ...

Liberal Warsaw Mayor Rafal Trzaskowski and a conservative historian, Karol Nawrocki, emerged as the front-runners in Poland’s ...