Some feathered dinosaurs may have lost the ability to fly, revealing that the evolution of flight was far more complex than once believed.

Paleontologists have discovered that sauropod dinosaurs, the largest animals to walk the Earth, replaced their teeth drastically different from other herbivores, according to a new study. Researchers ...

For more than a century, paleontologists have treated dinosaurs and mammals as rival success stories that simply took turns ruling the planet. New work on how each group raised its young suggests the ...

Colour mystery Predicting the colour of fuzzy dinosaurs like T-rex and Sinosauropteryx just got way more complicated, according to a new study. The findings also suggest that those who gained feathers ...

With their discovery of Dreadnoughtus schrani in 2014, a team of Drexel University researchers unearthed not only the most complete skeleton of a new species of supermassive dinosaur, but also a trove ...

A revised view of the dinosaur family tree suggests birds didn't evolve in one fell swoop from their reptilian ancestors. Instead, our feathered friends evolved very gradually, at first. Researchers ...