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Ancient 'River of Death' Reveals Pachyrhinosaurus Mass Grave

5/20/2025

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Summary

Story summary

Paleontologists in Alberta, Canada, have unearthed a remarkable mass grave of thousands of Pachyrhinosaurus dinosaurs at Pipestone Creek, ominously dubbed the "River of Death." This site, believed to be the result of a devastating flash flood 72 million years ago, is a treasure trove of fossils, shedding light on the biology and behavior of these ancient creatures.

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Story summary

Paleontologists in Alberta, Canada, have unearthed a remarkable mass grave of thousands of Pachyrhinosaurus dinosaurs at Pipestone Creek, ominously dubbed the "River of Death." This site, believed to be the result of a devastating flash flood 72 million years ago, is a treasure trove of fossils, shedding light on the biology and behavior of these ancient creatures.