CAIRO (AP) — Twice in the past week, Yemen’s rebels have launched attacks with missiles and drones on the United Arab Emirates, a major escalation for one of the world’s most protracted conflicts. The attacks underscore how the war that has ground on for over seven years in the corner...

KYIV, Ukraine (AP) — Ukraine's leaders sought to reassure the nation that a feared invasion from neighboring Russia was not imminent, even as they acknowledged the threat is real and prepared to accept a shipment of American military equipment Tuesday to shore up their defenses. Russia has...

Pfizer has begun a study comparing its original COVID-19 vaccine with doses specially tweaked to match the hugely contagious omicron variant. Pfizer and its partner BioNTech announced the study on Tuesday. COVID-19 vaccine makers have been updating their shots to better match omicron in...

ISTANBUL (AP) — Rescue crews in Istanbul and Athens scrambled on Tuesday to clear roads that came to a standstill after a massive cold front and snowstorms hit much of Turkey and Greece, leaving countless people and vehicles in both cities stranded overnight in freezing conditions....