Yemen is threatening to fracture even further, exposing a growing rift between Middle East powers Saudi Arabia and the United Arab Emirates. The latest friction is among members of the Saudi-led coalition based in Yemen's south that for years has been fighting Iranian-backed Houthi rebels based in the north.

Here's a look at the forces involved as Saudi Arabia pursues dialogue among all the players in the south of Yemen, the Arab world's poorest nation:

By Kamran Talattof, University of Arizona

A familiar slogan has echoed through the streets of various Iranian cities in recent days: "Neither Gaza nor Lebanon, I sacrifice my life for Iran."

An emboldened U.S. President Donald Trump has hinted that he has other countries in his sights after toppling Venezuela's Nicolas Maduro, leaving the world asking: where's next?

More than a month after Iraq's parliamentary elections, the country's top leaders remain locked in talks to form a government while facing pressure from Washington to exclude Tehran-backed armed groups.

Over the course of 2025, a new reality has sunk in for Europe. The United States, long its strongest ally, has chipped away at the European Union's unity, economies, security and even its democracies, setting the backdrop for an EU summit this week at the end of an exceptionally trying year.

After putting an indefinite freeze last week on Russian assets in Europe, EU leaders face a new test of strength at Thursday's summit. Ukraine is in dire financial straits, and they have promised to meet Kyiv's economic and military needs for the next two years, most probably through a new reparations loan.

By Ramazan Kılınç, Professor of Political Science, Kennesaw State University

On his visit to Turkey and Lebanon between Nov. 27 and Dec. 2, 2025, Pope Leo XIV met with political and religious leaders, celebrated Mass and visited historical sites.

By Andrew Latham, Professor of Political Science, Macalester College

Close to 1.5 million Syrian refugees have voluntarily returned to their home country over the past year.

UNHCR Estimates that 383,326 have returned from Lebanon to Syria since the fall of the Bashar Assad regime in December 2024.

Over the past few decades, hundreds of thousands of Christians have left parts of the Middle East for good, driven by wars and the rise of Muslim extremists.

In Lebanon, it has been different. Despite the many crises that have battered the small nation, Christians continue to enjoy religious freedom and significant political influence.

Haytham Ali Tabatabai, Hezbollah's top military chief whom Israel killed on Sunday, had taken the role after the group's senior leaders died in the most recent war with Israel.

He is the most important Hezbollah figure to have been killed since a November 2024 ceasefire sought to end over a year of hostilities between the militant group and Israel, including two months of full-blown war.