From alien megastructures to smart bees to female viagra, 2015 kept science on its toes.
Pope Francis pushed open the massive holy door of St. Peter's basilica, marking the start of a jubilee on the theme of mercy.
The Vatican's recent arrest of a priest and a laywoman for allegedly leaking confidential documents reveals a lesser known aspect of the religious body.
Roman concrete, one of the world's most durable compounds, closely resembles the rock formed in the depths of a dormant supervolcano in Italy.
The ruins of one of the most prestigious maritime villas from Roman times are set to reopen after 15 years on July 2 in a small, almost uninhabited island off the Tuscan coast.
See the ruins of a prestigious maritime villa from Roman times, unlocked after 15 years.
The 23-foot wooden machine, powered by slaves deep in the stadium's belly delivered wolves, boars and even antelopes to do battle with gladiators.
An ancient tombstone names a woman, but a male body was found beneath.
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