Pope: Christians are called to fight 'every form of slavery'
Vatican astronomer helps NASA in historic mission to study asteroid
Pope: Migrant crises requires fraternal response
Pope to confessors, faithful: Forgive always, like God
Doctrine is 'treasure' that must be defended, cardinal-designate says
Pope praises Venezuelan 'doctor of the poor' for putting faith into action
Ukrainian bishops warn pope that his Russia comments feed propaganda
Pope explains Mongolia visit
Pope says religion and culture can be misused to frighten and oppress
Pope encourages little Mongolian flock in faith, unity, witness
Pope arrives in Mongolia, the 'heart of Asia'
Pope warns of risk of getting 'stiff neck' by looking away from suffering
Scenes on a mid-August day near the Vatican
Pope: WYD shows youths' desire for peace
Pope calls for inclusive church while in Portugal for WYD
Pope to young people at WYD: God calls your authentic, not virtual, self
Renewal in Rome: Jubilee years encourage holier heart, prettier city
Pope in Portugal: Calling young people and the church toward encounter
Open yourself to God, pope tells marginalized youth in 'Popecast' before WYD
Pope to young people: To tackle life's ups and downs, look to the elderly