Dark energy tests prove science is right about the universe

This setup, known as the Dark Energy Camera (or DECam), shot its first photos back in 2012. Researchers used it for this study, the Dark Energy Survey (DES), an international effort that analyzed light from 26 million galaxies to learn how cosmic bodies have changed over the last 7 billion years. That spans the last half of our universe’s lifespan, which is far more recent than the previous