The fossilized remains of a whale that washed up on a shore in what's now Chile more than 5 million years ago. Vince Rossi/Smithsonian Institution hide caption itoggle caption Vince Rossi/Smithsonian Institution The Two-Way Killers Were Tiny, Victims Were Huge At Chile's Whale Graveyard February 26, 2014 Millions of years ago, dozens of the massive sea creatures washed ashore. Their fossils were discovered in 2011. Scientists have worked to figure out what killed them. Now they have an answer.