There were three of them, one of them probably a child, and at least one met a gruesome end at the hands of a terrifying predator.
About 67 million years later, a Wyoming rancher led scientists to their remains. Now experts are digging out one of the most complete skeletons yet of a Triceratops, the three-horned, plant-eating dinosaur that was one of the last of the giant reptiles.
"There's only three other skeletons that will match the completeness of one of the specimens we're excavating right now," said paleontologist Peter Larson, president of the Black Hills Institute of Geological Research.
CNN's Kyung Lah reports from Seoul, South Korea, where they cope almost daily with threats from their hostile neighbors.
"This is a country that has, for more than a decade, heard this threat out of Pyongyang directed to Seoul that we're going to melt you down in a sea of fire. They're used to it," Lah says about the reaction there.
But people do notice a difference in the way North Korea is threatening their safety right now compared to what they experienced when Kim Jong-il was in charge. His son's regime is issuing threats more rapidly, triggering concerns that the South Korean government could overreact, resulting in a clash on the border.
Hundreds of emaciated and starving sea lion pups are turning up on the beach in southern California. Scientists are trying to rescue them and uncover what's making the babies sick. Kyung Lah reports on the unprecedented crisis for the species.
Jeffry Life, age 74, uses performance enhancing drugs that are similar to the ones used by athletes like Lance Armstrong. The physical results are easy to see, but he says the rock hard body isn't the only effect. Life claims his mind is sharp and he feels like a man half his age.
"I'm not against aging. I'm against getting old," he tells CNN's Kyung Lah. Life uses testosterone and human growth hormone (HGH) accompanied by a daily fitness regimen and a low-carb diet. The physician considers himself a trailblazer for others who want a better quality of life in old age.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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