Aircraft window trim, a waterlogged cockpit checklist and American Airlines branded sugar packets joined a grim collection of debris plucked from the icy Potomac River on Thursday by Dean Naujoks.

Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt soon.

Germany's foreign ministry on Friday said it "strongly discouraged" citizens from travelling to Russia because of an increase in drone attacks on parts of the country in recent weeks and months, ...