One question asked frequently by undergraduates to Kevin Padian stuck with him: Why are the arms of Tyrannosaurus rex so ridiculously short.

Climate change, rather than competition, played a key role in the rise of dinosaurs through the Late Triassic and Early Jurassic periods.

New evidence suggests that the Chicxulub impact also triggered an earthquake so massive that it shook the planet for weeks to months.

The skeleton — incredibly, mostly intact — was first found by a graduate student in the Virginia Tech Department of Geosciences.

Researchers have identified the remains of one of Europe’s largest ever land-based hunters: a dinosaur that measured over 10m long.

The first ichthyosaurs swam through the primordial oceans in the early Triassic period about 250 million years ago and weighed 80 tons.

Palaeontologists has discovered remarkable new evidence that pterosaurs were able to control the colour of their feathers using melanin.

The twisted-claw millipede Nannaria swiftae joins 16 other new species described from the Appalachian Mountains of the United States.

The lower jaw and teeth fossil offers a window into what the Earth was like during the Eocene Period, more than 40 million years ago.

Researchers from Yale have identified the earliest known relative of octopuses and vampire squid — and named it after Joseph R. Biden.

The asteroid which killed nearly all of the dinosaurs struck Earth during springtime according to an international team of researchers.