Scientists in China report the discovery of a new dinosaur species that might have sounded like a bird. Researchers ...

Archaeopteryx, the first known bird, was a small dinosaur weighing about .99 kilograms. Small size might have been key to the evolutionary success of the lineage that led to birds. (Roger Benson) ...

Crow-sized Archaeopteryx, which lived about 150 million years ago, is considered the earliest known bird. But many dinosaurs before and after that had feathers and other bird-like characteristics.

HONG KONG/BEIJING – China has uncovered the skeletal remains of a gigantic, surprisingly bird-like dinosaur, which has been classed as a new species. Eight metres (26 ft) long and standing at ...