About 70 million years ago, in what is now Alberta, Canada, a young Albertosaurus—a relative of T. rex—ended up as food for another dinosaur. The key lies in bite marks preserved on its jaw. The study, published in the Journal of Paleontology, suggests that the culprit was probably a dromaeosaurid, the group of dinosaurs popularly […]

In 2016, paleontologist David DeMar Jr. was crawling across a rocky outcrop in northeastern Montana, hunting for fish fossils, when he spotted a dark, reddish-brown nodule about half the size of a golf ball. He picked it up and looked at it through his hand lens. On its surface was something he didn’t expect: a […]

Before 2025, paleontologists had confirmed exactly two footprints anywhere in the world made by an adult Tyrannosaurus rex — one in New Mexico, one in Montana. Isolated prints, each capturing a single instant, with no way to tell how the animal that made them actually moved. That changed with a discovery in the badlands of […]

In this edition: loving a killer; GRASE under fire; the marvelous mundane; Texas on two wheels; and the man who would be T. rex king.