Americans remember former Secretary of State Colin Powell, Israeli and Russian leaders hold a summit in Sochi, and China undergoes a World Trade Organization policy review.

The UN Biodiversity Conference (COP15) takes place in Montreal, Canada; the European Union and Group of Seven (G7) plan to implement price caps and partial embargos on Russian oil to respond to the w…

The killing of George Floyd, the anti-racism protest movement that followed, and the Donald J. Trump administration’s response have shaken the United States and captivated the world. Why It Matters s…

A U.S. president can launch a first-strike nuclear attack at any time and, according to the law, does not need to seek advice first. Some experts think that’s too much power to put in one person’s ha…

Industrial overfishing and other man-made factors have pushed one-third of the world’s fish stocks to be threatened with extinction, and many other species are not far behind. The problem represents …