Since winning power back from the hands of his populist rivals a year and a half ago, Poland’s Prime Minister Donald Tusk has faced one very stubborn roadblock to his plans: the country’s president.

Israel has agreed to allow some food into Gaza before a newly approved mechanism for aid deliveries is up and running later this month, the head of the newly established Gaza Humanitarian Foundation ...

Moody’s Ratings downgraded the United States’ debt on Friday, stripping the country of its last perfect credit rating. The move could rattle financial markets and push up interest rates.

Over a decade after 43 students from a rural teaching college vanished in southern Mexico, a new arrest has stirred fresh scrutiny and reopened old wounds. On Thursday, Mexican authorities detained ...