While dinosaurs roamed the Earth, flying reptiles called pterosaurs ruled the skies above. These included the largest animals to ever take flight, and a new study has uncovered some of the biological ...

The lonely fossil of a 2.5-year-old early human ancestor has revealed for the first time that the spines of ancient hominins were a lot like ours — and a lot not. New research, published today (May 22 ...

Block vertebrae is when two or more vertebrae are fused. It’s present from birth and can cause pain and reduced range of motion. Treatment may include medications, physical therapy, or surgery. Your ...