This paper maps out the network of alliances and subgroups within the two most powerful cartels in Mexico — the Sinaloa Cartel and the Cártel de Jalisco Nueva Generación — and reveals key structural differences that could have important implications for policymakers.

This report is the culmination of a 16-month-long survey of residents in Houston's Third Ward. The data aims to inform strategies and investments that support resident access to health care, transportation and other quality-of-life concerns while maintaining the community's character and affordability. The authors thank the Houston Endowment for its generous support.

As we look to the future of space travel, we should heed the lessons we are learning on the International Space Station, be realistic about space exploration beyond Earth orbit, build on the foundation of the station and our partnerships, and do human exploration from the onset together.

Former head of NASA Johnson Space Center George W.S. Abbey explains why the space shuttle program was, and still is, vital to the maintenance of the International Space Station.

A Civic Scientist Précis on Stephen Minger, Ph.D.