Al Jazeera's Investigative Unit exposes military attempts to crush rebel underground groups operating in big cities.

Every few years, Congress rediscovers that bridges collapse, trains derail, and airports still feel like 1970s bus terminals ...

A little more than a year ago, on a trip to Nairobi, Kenya, some colleagues and I met a 12-year-old Masai boy named Richard Turere, who told us a fascinating story. His family raises livestock on the ...