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

Scientists have discovered Spinosaurus mirabilis, a massive "hell heron" dinosaur that rivaled T. rex and hunted fish in ...

Human beings have been at the center of ecological change on Earth for thousands of years. But as history shows, no species ...

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

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

Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...

A new species of chiton — a tiny, armored marine mollusk from a lineage roughly 500 million years old — has been identified ...

The world has far more bees than anyone realized. Scientists have, for the first time, estimated just how many species of ...

Described as nature’s “self-repairing engine,” short-term species turnover isn’t increasing as scientists expect—and that’s a ...

Conservationisists explain the benefits to humans, land and wildlife that reintroductions can bring.