The strange, striking relics unearthed at China's famed Sanxingdui site have long invited wild speculation, with some fringe forums and tabloids even floating the idea of alien artifacts. A newly confirmed discovery from the site won't settle those rumors — because in a very literal sense, part of it really did come from outer space. A Mysterious Object From Pit No. … [Read more...] about Archaeologists Found an Ancient Weapon Not of This Earth