Some publishers add new journal titles more often than I buy new shoes. The American Association for the Advancement of Science (AAAS), the publisher of Science , certainly cannot be accused of that, having grown to only four journal titles in 136 years. Yet many members of the scientific community have encouraged AAAS to expand its repertoire, arguing that the Science family of journals is high quality, well curated and edited, and worth supporting because they enable the mission of a nonprofit scientific society that is governed by scientists working to further the best interests of the scientific community. It is thus with some pride that I describe the launch in 2016 of two new journals: Science Robotics and Science Immunology .