Fossils reveal dinosaurs of prehistoric Patagonia

Scientists have found the remains of four species of dinosaurs, including a megaraptor, in an inhospitable valley in Chilean Patagonia that has emerged over the past decade as an important fossil deposit, researchers said Wednesday

Missing link? A newly-discovered fossil looks like the halfway point between birds and dinosaurs

'Sea monsters' were real millions of years ago. New fossils tell about their rise and fall