What is the difference between the two, and is there a connection between this age-old split and conflict around the world?

Another day, another bombing in Iraq. This one, in the Shia Sadr City slum in Baghdad, killed at least 33 people. The dead were among 80 victims found scattered across Iraq yesterday. Big blasts ...

Two countries that compete for the leadership of Islam, Sunni Saudi Arabia and Shia Iran, have used the sectarian divide to further their ambitions. How their rivalry is settled will likely shape the ...

SAMARRA, Iraq—There’s only one way in and out of this predominantly Sunni Muslim city: through the checkpoints of the Saraya al-Salam, one of Iraq’s most fearsome Shia militias. Samarra gained ...

Taking their positions side by side, in multiple rows, a few hundred Shia and Sunni Muslims offered their Eid al-Adha prayers together after which they met with local Hindu, Sikh and Christians. "In ...

Regional Police Officer Irfan Tariq and Commissioner Syed Mutasim Billah visited Kurram district on Sunday to hold a jirga at Balishkhel Fort in Sadda, focusing on ensuring a peaceful Muharramul Haram ...

This will disadvantage potential cooperation with moderate Shia forces such as al-Sistani. Furthermore, American bias in favor of Sunnis will increase tensions with regional powers such as Turkey and ...

For the first time since her childhood, Mariam recently went back to the shrine of Nabi Saleh, a tiny island off the shore of Bahrain’s capital, Manama. She reverentially held green drapes over the ...

A dispute about who should lead Islam after Muhammad died ultimately split the faith into two branches, the Sunnis and the Shias. The young Muslim community faced a pivotal decision after the ...

NPR's Leila Fadel speaks with leaders of New York University's Muslim community about Shia and Sunni responses to the killings of Muslim men in Albuquerque, N.M. A conversation Muslims typically have ...

Amnesty International has asked Iraq to reveal location of 643 Sunni Muslim boys and men who disappeared during an operation ...

Hojatoleslam Mohammad-Taghi Vakilpour, the special representative of the Leader of the Islamic Revolution, arrived in Sistan and Baluchestan on Tuesday to convey a special message to the local ...