LifeTyrannosaurus rex may actually be three separate species After analysing the teeth and thigh bones of 38 T. rex fossils, some researchers propose reclassifying them as three different species, but others are unconvinced News
LifeDinosaur-era swamp ecosystem preserved in amber Rocks that formed in a swamp in what is now Spain 110 million years ago contain both dinosaur bones and amber rich in invertebrate fossils News