A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs. The newly discovered dinosaur, Joaquinraptor casali, preyed on the soggy ...

A new study reveals Tyrannosaurus rex took 40 years to reach full size, not 30, as previously thought. Researchers analyzed ...

Table for one-and-a-half. Scientists have discovered a new “apex predator” dinosaur that appears to have been fossilized right in the middle of eating a crocodile-like creature. The newly found ...

A new “apex predator” dinosaur species has been discovered based on its fossil, unearthed in Argentina with a crocodile bone stuck in its jaws. The species has been named Joaquinraptor casali, and was ...

High in the Andes Mountains, one predator sits at the top of the food chain. Its dominance shapes ecosystems across extreme and varied terrain. Scientists study its hunting behavior, range, and impact ...

Biologists and ecologists have long wished to gather high-quality data on exactly what the animals they study are eating, but how can such observations be made without disturbing the natural patterns ...