This document provides an overview of the field of learning sciences. It discusses how learning sciences aims to better understand cognitive and social processes that result in effective learning by drawing from fields like cognitive science, educational psychology, and neuroscience. The goal is to use this knowledge to redesign learning environments. It presents several major models of learning and discusses how research in learning sciences uses experimental and qualitative methods to study learning. Reasons for developing a science of learning include that learning is a fundamental human activity, societies have transformed from industrial to knowledge-based, and new sciences continue to generate knowledge about learning.