Pope Leo XIV called astronaut Buzz Aldrin on Sunday to commemorate the 56th anniversary of the Apollo 11 moon landing.The pope reflected with Aldrin on the historic achievement and the wonder of Creation, blessing the 95-year-old astronaut and his family.Aldrin, the second person to walk on the Moon, famously took communion during the mission. Earlier, Pope Leo visited the Vatican Observatory near Castel Gandolfo, exploring its telescopes and celebrating the blend of science and faith.