Mass Effect 3 Opening Prologue

In the year 2148, explorers on Mars discovered the remains of an ancient spacefaring civilization. In the decades that followed, these mysterious artifacts revealed startling new technologies, enabling travel to the furthest stars. The basis for this incredible technology was a force that controlled the very fabric of space and time

They called it the greatest discovery in human history.

The civilizations of the galaxy called it…MASS EFFECT!