Compared to the chaos of Earth, outer space can seem serene. But, thanks to a recent discovery, we now know that the very fabric of the cosmos is being pushed and pulled by gravitational waves — waves powerful enough to distort space-time.Read more:Victoria Jaggard is a deputy health and science editor at The Post. She reported on the breakthrough research proving the existence of a gravitational wave background. Now, we know that low-frequency gravitational waves from objects such as supermassive black holes can alter space-time. It won’t change your daily lives. You’ll still have to go to work on Monday. But scientists believe this discovery could rewrite our understanding of the universe.