Muslims start the hajj by circling the Kaaba, the black, cube-shaped house of God.
Each year, Muslims from all over the world go on a pilgrimage to the holy city of Mecca in Saudi Arabia, known as hajj. A scholar explains its spiritual significance.
IIOC Masjid Omar AlFarouk
Muslims throughout the world will celebrate the holiday of Eid al-Adha (Festival of Sacrifice) beginning this Thursday evening. Here's an introduction to this important feast and its partner, Eid al-Fitr.
The century since the first world war is littered with the broken promises of Muslim rulers to bring about a transition to more representative forms of government.
The rise of Islamic State and its declaration of the caliphate can be read as part of a wider story that has unfolded since the formation of modern nation states in the Muslim world.
An aerial view of Mecca under construction.
A deadly crowd crush has killed over 300 people at this year's Hajj. Is the pilgrimage industry just too big?