The Arctic landscape during the Cretaceous Period may have been dominated by the dinosaurs, but the rivers and streams held something more familiar. Alaska’s fresh waters 73 million years ago were teeming with the ancient relatives of today’s salmon, pike and other northern fish. A new paper published this week in the journal Papers in […]
New study suggests a miniaturized origin for some of the largest animals ever to live on Earth Dinosaurs and flying pterosaurs may be known for their remarkable size, but a newly described species from Madagascar that lived around 237 million years ago suggests that they originated from extremely small ancestors. The fossil reptile, named […]
Scientists have long wondered what the earliest dinosaur relatives looked like. Most assumed they would resemble miniature dinosaurs, about the size of chickens, and walk on two legs. The discovery of Teleocrater rhadinus, however, has forced scientists to reassess their ideas. Based on a fossil unearthed in southern Tanzania, these early relatives were carnivorous animals […]