A carpal boss, also known as a carpometacarpal boss or a bossing, It's a bony lump where the finger bones meet the wrist. It may be painful, but it will be a firm, immobile lump. Carpal bossing can be ...

A tiny, overlooked wrist bone called the pisiform may have played a pivotal role in bird flight and it turns out it evolved far earlier than scientists thought. Fossils from bird-like dinosaurs in ...

The evolutionary path from dinosaurs to birds included the development of a tiny wrist bone that ultimately proved crucial for stabilizing wings in flight. A new study suggests that the bone appeared ...