It's not easy following in the footsteps of the largest animals ever to roam Earth. There are no roads or even footpaths to get to the spot in Bolivia where researchers recently discovered a huge dinosaur footprint measuring 1.15 metres wide.
An analysis of prehistoric fossil shells in the Antarctic is lending further credence to a scientific theory that suggests a mass dinosaur extinction 66 million years ago is linked to a “one-two punch” of climate change and an asteroid impact.
Researchers are digging through the sandstone cliffs on the Nova Scotia shore of the Bay of Fundy in search of 200-million-year-old bone fragments that could reveal more about the diversity of life at the dawn of the dinosaurs.
Jack Horner, the paleontologist who discovered the world's first dinosaur embryos and found that dinosaurs had nests and cared for their young, is leaving the Montana museum he spent decades filling with fossils from across the globe.