The pope’s encyclical on the environment carries a profoundly religious message about care for the earth, wedded to a new call for activism, say religious scholars Mary Evelyn Tucker and John Grim.

Germany and the United States look to present a united front against Russia for its actions in Ukraine, despite recent strains in the long-standing relationship, says expert William M. Drozdiak.

Al Jazeera America arrives on the U.S. cable TV scene in a bid to win goodwill and market share through an increasingly rare news-heavy format, says expert William Youmans.

A clear sign of a new Iranian nuclear posture will be if incoming president Hassan Rowhani pursues bilateral talks with the United States, says former top U.S. arms official Gary Samore.

The U.S. government needs to marshal its cybersecurity resources in support of the private sector and build alliances with international partners, says former CIA director Michael Hayden, member of a…