Scientists say coarse ash lingered 20,000 feet up and 124 miles from source, requiring safety model updates ...

An American court has rejected the appeal of one of two men convicted in a human smuggling operation near the Manitoba-US ...

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official — a shift ...