The conflict, the most intense fighting between the two countries in decades, has been met in the United States with feelings of “frustration and helplessness,” as well as heartbreak.

Israel's first open offensive on Iran marks a dramatic turn in a long, complex history. Before Iran's 1979 revolution, the two were close allies, trading arms, oil, and intelligence. The Shah saw Israel as a key partner against Arab rivals.

Israel's opposition leader pushed just days ago to topple Prime Minister Benjamin Netanyahu's government. But Yair Lapid has now suspended what's been months of bitter criticism against his

After mulling such action for 16 years, Israel has launched air strikes on Iran’s nuclear facilities – a mission fraught with peril not just for the Jewish state, but for the broader Middle East.

The group is one of the most powerful and shadowy arms of Iran’s military, and it has long been on the front line of a shadow conflict with Israel.

The Lebanese militant group Hezbollah was long considered Iran’s first line of defense in case of a war with Israel.

U.S. stock futures are higher even as fighting between Israel and Iran spiked oil prices. Futures linked to the blue-chip Dow rose 0.36%, while broad S&P 500 futures added 0.42% and tech-heavy Nasdaq futures gained 0.