See how six countries are faring amid efforts to protect 30 percent of the planet’s land and waters by 2030, and what will be saved if they succeed. 

There’s something farcical—but entirely rational—about the way authoritarians such as Egypt’s Sisi invoke legal justifications for repression.

As a journalist, book author, and sometime adviser with frequent visits to Afghanistan between 2002 and 2015, I offer this distillation of lessons that we might learn from the United States’ longest …

This year saw progress in areas from species comebacks to space exploration.

The 7-foot center Enes Kanter has become a symbol of Turkey's never-ending purge—and a potential assassination target.