Though more consequences are likely to develop in the post-9/11 era, the war on terror, heightened government surveillance and Islamophobia are notable legacies of this early 21st century tragedy.
An unprecedented onslaught from the US hasn't destroyed the terrorist organization. What is the secret of its resilience?
Interviews with civilian and military figures paint a complex picture of what went wrong with crucial peace negotiations.
A strategy to shut down Taliban safe havens in Pakistan could bring the war to an end.
Pakistan had only eight new diagnoses of polio in 2017. The virus' days look numbered – but health workers have their work cut out for them to eradicate the devastating disease once and for all.
With the Taliban ramping up its attacks once again, the war in Afghanistan shows no sign of ending.
Russia is pursuing influence in Central Asia and competing with the US. Afghanistan offers it a chance to do both.
It's been 16 years since the terrorist attacks of Sept. 11, 2001. Understanding what propelled al-Qaida's attacks could help guard against further violence.
Without a legitimate government, Afghanistan will never be stable ... no matter how many terrorists are killed.
Donald Trump's speech on "principled realism" in Afghanistan contained few surprises. Now, under the aegis of DOD chief Mattis it is the latest stage in America’s "forever war."
Britain cannot sacrifice more troops in an unwinnable war just because it is a member of NATO.
Given the number of deaths and casualties in the long-running conflict, Australia needs to think carefully before committing more soldiers to a role that goes beyond training and support.
The West's strategy in Afghanistan has demonstrably failed. Is the stage now set for a much more intense war?
Afghanistan's jihadist groups have plenty of disagreements, but they also trade fighters, training, and weapons.
Akhtar Mohammad Mansoor was a tough and smart strategist who held the Taliban together and crushed dissent. Will his legacy endure?
Minorities are increasingly facing exclusion from Pakistan's public realm; and it's not only terrorists who are responsible.
Lahore's Easter Sunday suicide attack is the latest chapter in Jamaat-ul-Ahrar's campaign against the Pakistani government – and people.
The recent attack on a university in northern Pakistan is part of a resurgence in violence on both sides of the country's border with Afghanistan.
The Pakistani Taliban has shown it can still mount terror attacks in the country's frontier province ... despite a major military offensive.
As a new push threatens to engulf a key town in Helmand province, the Taliban looks set to turn the tide.