Mysterious driftwood high in Grand Canyon caves hints at the legacy of Arizona’s huge impact crater.
Researchers found fragments of fossils representing prehistoric mollusks, crustaceans and worms among rocks at the Grand Canyon. Mussini et al. More than half a billion years ago, strange worms and ...
Green Matters on MSN
Scientists find a 500-million-year-old ecosystem in Grand Canyon that they didn't expect
Rare fossils found along the Colorado River 'give us a fuller picture of what life was like during the Cambrian period,' says an expert.
Scientists are learning more about how water moves through the Grand Canyon, and how what happens above ground affects what ...
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