Roman Emperor Constantine the Great officially declared Constantinople his “New Rome” and the capital of the Roman Empire on ...

Throughout its centuries-long existence, the Hagia Sophia has been a place of worship for many different religions and ...

The Council of Nicaea in the year 325 was, arguably, the most theologically significant and influential gathering of ...

The suspense builds up as the world awaits the new pope.

On this day in 330, Constantine I dedicated Byzantium (Constantinople; now Istanbul) as the new capital of the Eastern Roman ...

ARCHAEOLOGISTS have unearthed ruins from a hidden ancient palace which housed popes for centuries before the Vatican was ...

Pope Leo I tangled with Attila the Hun and won. Pope Leo III crowned Charlemagne as the first Holy Roman Emperor. This is the ...

LONDON (AP) — Jurors began deliberating Thursday in the case of two men charged with cutting down the Sycamore Gap tree that ...

While speculation mounts over the identity of the next pope, equally intriguing is the name he will choose, as it may offer ...

Michigan native Joseph Tobin will help select Pope Francis' successor during the papal conclave that began May 7.

On April 30, 311 AD, the Roman Emperor Galerius issued what became known as the Edict of Serdica, which made the first formal ...

The Catholic Church is an institution of remarkable longevity. The year marks the 1,700th anniversary of the Council of ...