Okavango Diamond Company(NEW YORK) -- Botswana unveiled the largest rare blue diamond ever discovered within its borders: a super rare "Fancy blue" diamond weighing more than 20 carats. The unique gemstone was discovered at Botswana’s Orapa mine as a 41.11-carat rough stone. Its unusual and vibrant blue color is created by the molecular inclusion of the rare mineral boron -- which between one and three billion years ago was present in the rocks of ancient oceans during violent, diamond-forming ..

TIZIANA FABI/AFP/Getty Images(ROME) -- Teenage climate change activist Greta Thunberg met the pope in Rome Wednesday ahead of a youth rally against climate change this week. Thunberg, 16, met Pope Francis at the end of his weekly audience in St Peter's Square, shaking hands with the pontiff and showing him a banner adorned with the slogan "Join the Climate Strike." "The Holy Father thanked and encouraged Greta Thunberg for her commitment in defense of the environment, and in turn Greta, wh..

Oleksii Liskonih/iStock(SEOUL, South Korea) -- A month and a half after President Donald Trump ended his summit with Kim Jong Un without a deal, the young North Korean leader is preparing to step out again on the world stage. This time, it will be for his first meeting with Russian President Vladimir Putin. The summit comes at a critical time and the relationship with Russia has become increasingly important, according to analysts, as Kim seeks to maintain his nuclear weapons stockpile while loo..

Peel Regional Police(TORONTO) -- Canadian authorities have released surveillance footage of a suspect who shot a woman with a crossbow on her front porch while posing as a delivery person. The video, released Monday, showed a masked man approaching the 44-year-old woman's home near Toronto with a large cardboard box in his hand and a hidden crossbow. He rang the doorbell, chatted with the woman for a few moments and fired an arrow into her chest, leaving her with life-threatening injuries. ..