To protect Mexico’s tourism-reliant economy, the Navy is fighting a massive sargassum bloom that dumps thousands of tons of seaweed onto Caribbean beaches daily.

King Charles III is traveling to host a meeting of the leaders of more than 50 nations.

The king will confront calls for reparations and apologies for his country’s colonial past as he attends the Commonwealth heads of government meeting.

The Pentagon is expanding its fight against drug traffickers, even as the plans recall a long and bloody history of U.S. intervention in the region.