S. Ossokine, A. Buonanno/Max Planck Institute for Gravitational Physics, Simulating eXtreme Spacetime project, W. Benger/Airborne Hydro Mapping GmbH
At first glance, the stories taking the top two spots in Science News’ review of 2016 have little in common. Scientists began searching decades ago for gravitational waves. Discussions of these subtle signals from dramatic and distant phenomena appear dozens of times in the SN archive starting as early as the 1950s. Their long-awaited discovery, our No. 1 story of the year, touched off celebration of a new era in astronomy.