Fossil Evidence Pushes Back Origin of Live Birth by 90 Million Years
Paleontologists studying a 236-million-year-old cynodont fossil from Argentina say they have found the earliest evidence yet of viviparity…
New Species of Triassic Dinosaur Discovered on Shores of Zimbabwe’s Lake Kariba
An international team of paleontologists has identified a new species of early sauropodomorph dinosaur in Zimbabwe, adding to…
Tiny Triassic Reptile Sheds Light on Early Lizard Evolution
Today, lepidosaurs — the reptile group that includes lizards, snakes and New Zealand’s tuatara — are among the…
Ancient Oceans Began Losing Oxygen Millions of Years before End-Triassic Mass Extinction
Chemical traces preserved in ancient rocks indicate that marine environments were deteriorating long before the catastrophe that wiped…
The Two Million Years Rain Crisis That Helped the Dinosaurs Take Over
Artistic representation of a Middle-Late Triassic landscape of southern Brazil. A large Prestosuchus chiniquensis feeds on the carcass of a…
New Triassic Dinosaur Species Identified in New Mexico
A new genus and species of carnivorous herrerasaurian dinosaur has been described from an incomplete but well-preserved skull…
Paleontologists Discover New Species of Triassic Long-Necked Dinosaur
Paleontologists have unearthed a new assemblage of Triassic fossils at the Quebrada Santo Domingo site of the Northern…