It took four years of difficult negotiations between the Colombian government and The Revolutionary Armed Forces of Colombia (FARC) to strike a historic peace accord to end the 52-year-old conflict that claimed over 260,000 lives, displaced 6.8 million and left 45,000 missing. The pact will now stand the crucial public test when it goes for a referendum on October …

  Wall Street Journal reporter Maria Abi-Habib made waves in journalistic circles last month after she posted on Facebook that Department of Homeland Security officials tried to seize her phones as she entered the U.S. at Los Angeles International Airport. What was striking about her post was that Homeland Security’s demand (which it eventually gave up) was probably lawful and …

  The newly discovered planet Proxima b is about to change the focus of astronomy for decades to come —and maybe longer, if it reveals signs of life. The planet, some 25 trillion miles away from our own, is like a twin to Earth, but one separated at birth and living a very different kind of life. The discovery, which …