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Different tracks, same dinosaurs: Brown researchers dig deeper into dinosaur movements

When picturing dinosaur tracks, most people imagine a perfectly preserved mold of a foot on firm layer of earth.

New Family of Extinct Giant Wombat-Like Marsupial Discovered

The unique remains of a prehistoric, giant wombat-like marsupial - Mukupirna nambensis - that was unearthed in central Australia are so different from all other previously known extinct animals that it has been placed in a whole new family of marsupials.

Research reveals a nest of exceptionally small non-avian theropod egg fossils

When most of us think of dinosaurs, we envision large, lumbering beasts, but these giants shared their ecosystems with much smaller dinosaurs, the smaller skeletons of which were generally less likely to be preserved.

300-million-year-old fish resembles a sturgeon but took a different evolutionary path

Sturgeon, a long-lived, bottom-dwelling fish, are often described as "living fossils," owing to the fact that their form has remained relatively constant, despite hundreds of millions of years of evolution.

New Argentine fossils uncover history of celebrated conifer group

Newly unearthed, surprisingly well-preserved conifer fossils from Patagonia, Argentina, show that an endangered and celebrated group of tropical West Pacific trees has roots in the ancient supercontinent that once comprised Australia, Antarctica and South America, according to an international team of researchers.

High-tech CT reveals ancient evolutionary adaptation of extinct crocodylomorphs

The tree of life is rich in examples of species that changed from living in water to a land-based existence.

Fish fossils become buried treasure

Rare metals crucial to green industries turn out to have a surprising origin. Ancient global climate change and certain kinds of undersea geology drove fish populations to specific locations.

Giant Egg Discovered in Antarctica Belonged to Marine Reptile

A large fossil discovered in Antarctica by Chilean researchers in 2011 has been found to be a giant, soft-shell egg from 66 million years ago.

The Giant Carnivorous Dinosaurs of Australia

Each continent had a major predatory dinosaur, in North America, it was the T-Rex, in Africa the Spinosaurus.

New fossil discovery shows 50 million-year-old Canada-Australia connection

The discovery of a tiny insect fossil is unearthing big questions about the global movement of animals and the connection to changes in climate and shifting continents across deep time.

Crocodiles Used to Walk Like Dinosaurs

Palaeontologists from the University of Queensland have discovered that some ancient species of crocodiles walked on their hind legs like dinosaurs.

Western Canadian scientists discover what an armoured dinosaur ate for its last meal

More than 110 million years ago, a lumbering 1,300-kilogram, armour-plated dinosaur ate its last meal, died, and was washed out to sea in what is now northern Alberta.