Some meteorites are so big they need a name. Meet the Gancedo meteorite, a gigantic space rock extracted from the ground over the weekend using heavy machinery. It was found near the village of Gancedo in Argentina in an area known as Campo del Cielo ("Field of Heaven"). Campo del Cielo is rife with iron meteorites estimated to have fallen around 4,000 years ago. What makes Gancedo unusual is its massive size, with a weight estimated at around 68,000 pounds (31,000 kilograms). News organization Compacto Nea posted a video of the meteorite extraction on YouTube Monday. It was a complicated...