Pope Francis writes that he visited Benedict at Castel Gandolfo, the papal vacation palace south of Rome, shortly after he was elected pope. “He gave me a large white box,” Francis writes.

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The Vatican Observatory’s summer school, known as “Specola,” has already selected students for its next edition in June.

Observed at 04:00, Sunday 9 February BBC Weather in association with MeteoGroup, external All times are Central European Standard Time (Europe/Rome, GMT+1) unless otherwise stated.

We followed its trail from Switzerland to Washington, from a small bar in Oslo to the Vatican Observatory at Castel Gandolfo, from Mexico City to London. Each place — New York, Rome, Madrid ...