Science ❯Biology ❯Anatomy

Skeletal System

Bone Structure Sesamoid Bones Jaw Structure Leg Bones Fossil Anatomy

Fossil Study Reveals Dinosaur Leg Evolution Key to Bird Mobility

225-Million-Year-Old Fossils Rewrite Early Mammalian Evolution

Tiny Knee Bone May Have Facilitated Human Upright Walking

New Fossil Discovery Sheds Light on Penguin Wing Evolution