“Living fossil” is often misused, but chitons really haven’t changed much in about 300 million years.

The remains of the fearsome Spinosaurus mirabilis have been waiting for eons to be discovered in a Sahara Desert fossil bed.

Experts have discovered a huge new species of fish-eating dinosaur. It has been named Spinosaurus mirabilis and scientists say it lived nearly 100 million years ago. The fossil was found in the Sahara ...

Millions of years ago, England was a much different place than it is today. In the Late Eocene, England was rich with ...

"Nine jaws we've found have this twist, including the really well-preserved ones, so it's not a deformation." ...

The semi-aquatic dinosaur, Spinosaurus mirabilis, was discovered by an international team of scientists working in Niger.

With its uniquely twisted jaw and sideways-facing teeth, the new species was a relic of an earlier and more experimental time in the evolution of life on Earth. Fossils discovered in Brazil show that ...

Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a meter-long bony fish with jaws ...

A routine genetic test in South Korea uncovered Acanthochitona feroxa, a chiton species misidentified for years.

Biologists identify a new species of "living fossil" chiton through cutting-edge mitochondrial genome sequencing.

A newly described Patagonian fossil reveals the evolutionary origins and global spread of the tiny alvarezsaur dinosaurs.

A fossil skull barely 1 inch long has proved to be a newborn reptile from Brazil’s Late Triassic, a period more than 230 million years ago when early reptiles dominated land ecosystems. Its tiny jaw ...