Deep in the heart of the Sahara, scientists have uncovered Spinosaurus mirabilis — a spectacular new predator crowned with a massive, scimitar-shaped crest that may once have blazed with color under ...

Add Yahoo as a preferred source to see more of our stories on Google. A life reconstruction of Prototaxites taiti growing in the 407-million-year-old Rhynie chert ecosystem. (CREDIT: M. Humpage, ...

Over 150 years ago, a fossilized organism known as Prototaxites emerged as an enigma regarding what early land life may have been like. As an organism that appeared to grow up through Earth’s crust in ...

Scientists in Patagonia unearthed the nearly complete skeleton of Alnashetri cerropoliciensis, one of the world's tiniest dinosaurs. This crow-sized theropod, weighing just 0.7 kg, hunted small prey ...

The tooth lodged in the snout indicates the T rex bite was delivered during combat to maintain control of a struggling animal ...

The image of kangaroos hopping their way across the Australian outback is iconic – and it turns out it might have been an even more impressive sight during the Pleistocene. A new study by researchers ...

This specimen, given the nickname “Alna,” was unearthed in sandstone at a site called La Buitrera in northern Patagonia.

BEIJING The remains of a giant, birdlike dinosaur as tall as the formidable tyrannosaur have been found in China, a surprising discovery that indicates a more complicated evolutionary process for ...

A new study has revealed that "hug of death" megaraptorids and previously unknown carcharodontosaurs shared Australia's unique Antarctic dinosaur ecosystem during the Cretaceous.

Fossil tooth lodged in skull helps reconstruct final moments of giant dinosaur that became prey - Researchers say finding ...

Heel bone of the largest giant kangaroo species, Procoptodon goliah. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing ...