Fossil hunters had to use a strong horse to pull the monster's thigh bone from the 150 million-year-old grave in Utah State Park.
For the first time, Italian scientists discovered fossils of Sauropod long-necked dinosaurs in Antarctica.
Dinosaurs are not cold-blooded animals as we previously thought, but they have the same body temperature as today's birds and mammals.
Using laser technology to calculate body mass, experts at the University of Manchester, UK, have discovered that giant dinosaurs, with their feet shaking the ground, are actually
The magnificent and mysterious world of dinosaurs has been vividly portrayed by the wonderful graphic works of painter Damirg Martin.