Scientists use different methods to calculate size and weight so they don’t always agree, but judging by bones found, a good ...

There are several contenders among the titanosaurs for the biggest dinosaur ever. Even the list below ... But based on six partial skeletons, the best estimate is for Patagotitan, which is thought ...

The embryo was found in a "tucking" position—its head bent forward, feet positioned on either side, and back curved.

Scientists say they’ve found the tiniest dinosaur ever, and it was encased in amber. The fossil, found in Myanmar, is so small that it’s comparable to the smallest bird species alive today.

By a very small margin, Spinosaurus is currently thought to have been the largest carnivorous (meat-eating) dinosaur, weighing in at 7.4 tonnes and 14 meters long. Other Cretaceous giants are right up ...