Mar 14, 2025 · The heaviest known dinosaur is thought to be Argentinosaurus, a supermassive titanosaur that lived during the Cretaceous period. It may have weighed up to 180,800 pounds …

Jul 6, 2021 · The smallest dinosaur on record is an avian dinosaur that's alive today: the bee hummingbird (Mellisuga helenae) from Cuba, which measures just over 2 inches (5 …

May 7, 2025 · A gigantic asteroid brought the age of the dinosaurs to an abrupt end about 66 million years ago, as everything from pterodactyls to Tyrannosaurus rex went extinct. …

Apr 28, 2025 · To determine which dinosaur was the fastest, we can turn to biomechanics. In the early 1970s, zoology professor Robert McNeill Alexander pioneered the field of biomechanics …

Mar 25, 2025 · Related: 166 million-year-old fossil found on Isle of Skye belongs to pony-size dinosaur from Jurassic Therizinosaurs are a group of dinosaurs that lived across what is now …

May 12, 2025 · Fossil sites in Australia hold pollen and spores from the dinosaur age, when the island straddled the Antarctic Circle. Now, scientists have re-created the habitat of "polar …

May 7, 2025 · The most iconic American dinosaur was a migrant from Asia." Gargantuan sizes. The new study also modeled how tyrannosaurids (the group of dinosaurs that T. rex belongs …

May 1, 2025 · The dinosaurs were not in decline before the asteroid hit, a new study finds. Instead, poor fossilization conditions and unexposed late Cretaceous rock layers mean they're …

Apr 15, 2025 · Related: 166 million-year-old fossil found on Isle of Skye belongs to pony-size dinosaur from Jurassic Sixty-five of the tracks were recorded as belonging to theropods and 58 …

May 6, 2025 · Trove of dinosaur footprints reveal Jurassic secrets on Isle of Skye where would-be Scottish king Bonnie Prince Charlie escaped. T. rex fossil trade hurting scientific research, …