Dinosaurs arrived hot on the tails of their more ancient relatives, reptiles called dinosauromorphs, a new study shows. New dating of a dinosauromorph fossil layer in a geologic formation in Argentina ...

The Triassic Period was a time of great change. Bookended by extinctions, this era saw huge shifts in the diversity and dominance of life on Earth, ushering in the appearance of many well-known groups ...

Ancient predator revealed: A digitally reconstructed late Triassic skull analysed by a student led to the identification of a new carnivorous dinosaur species. Older than T. rex: Ptychotherates ...