The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...

In the rugged badlands of Morocco’s Middle Atlas Mountains, a dinosaur bristling with spikes once lumbered across the Jurassic floodplains. It was not the squat, club-tailed Ankylosaurus of textbooks, ...