Israel launched a major attack on Iran, drawing their long-running shadow war into the open conflict in a way that could spiral into a wider, more dangerous regional war.

Gen. Hossein Salami was the chief of one of the country’s most powerful centers, and his death was a tough blow to Iran’s embattled leadership, which has had a series of setbacks in the past 20 months ...

The push by the Trump administration to persuade Tehran to give up its nuclear program came after the U.S. and other world powers in 2015 reached a long-term, comprehensive nuclear agreement that ...