An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a ...

In a new paper in Science, experts from the University of Chicago describe steps that took place some 66 million years ago to ...

When the big asteroid hit Mexico 66 million years ago, it set off wildfires, tsunamis and massive clouds of dust that darkened the skies, killed much of Earth’s plant life and triggered a chain of ...

Even before the release of Jurassic World Rebirth, one key element was huge in its marketing: the dinosaurs. While these revived prehistoric creatures have always been essential to the fabric of the ...

LOS ANGELES (KABC) -- Los Angeles Rams player William Hayes believes in mermaids but not dinosaurs, so Jimmy Kimmel decided to take Hayes on a special trip to change his mind. As part of a segment on ...

Around 165 million years ago on a coastal floodplain in what is now Morocco lived one of the most extreme dinosaurs on record, lavishly adorned with armor and spikes - some about three feet long - ...