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Most famously, feathers allowed early birds and related dinosaurs like Microraptor to take to the air. But paleontologists have also found feathers and related structures on many other dinosaurs ...

Earlier dinosaurs, common ancestors to both Microraptor and Archaeopteryx, had already formed many of the physiological traits needed for getting airborne, such as feathers and light, hollow bones.

The discovery of Microraptor gui offered some support to the trees-down theory. This crow-sized dinosaur lived during the Early Cretaceous. It was unusual because flight feathers covered both its arms ...

Discoverer of more dinosaur species than any other living scientist, Xu Xing says some dinosaurs have birdlike traits, including feathers. Stefen Chow In a pine forest in rural northeastern China ...

Like its non-flying close relatives, Microraptor had elongated bones lining the top and underside of its tail, forming a stiff counterbalance that allowed the animal to keep its center of gravity ...