A new study indicates the giant reptile Deinosuchus is not a close relative of modern alligators, as scientists previously ...

In the lowland marshes and swamps of Cretaceous North America, Deinosuchus watched and ... Instead, the study suggests, Deinosuchus belonged to an ancient lineage that split off before the last ...

Scientists have discovered that a tooth found near Old Crow, Yukon, in 2018 belonged to the oldest known woolly mammoth in North America ... track the movements of ancient mammoths from hundreds ...