From terrorism to drug smuggling and theft, the hostile insider is an often overlooked threat to airport security and safety.
Medical data from space tourists will be fascinating, but is it ethical?
Space terrorism and testing of space tourists are theoretical problems today. But let's have conversations right now to make sure they don't become real problems in the future.
An illustrated look inside.
The U.S. is considering expanding a ban it imposed in March on several Middle Eastern countries to all flights from Europe. A close look suggests the meager benefits just aren't worth the high costs.
Tunisians demonstrate against the return of jihadists fighting for extremist groups abroad
Trying to reintegrate foreign fighters who return home shouldn't be considered the soft option. Governments in countries like Morocco and Tunisia need to respond realistically to a complex problem.
The ban on electronic devices in cabin luggage overlooks the airports that would be least likely to detect a bomb.
Armed police outside Westminster as the attack unfolded on March 22.
Stefan Rousseau/PA Wire
In recent years, anti-terrorism defences have become more subtle. That might be about to change.
Iraqi special forces soldier advancing toward Mosul, Iraq.
AP Photo/Khalid Mohammed
What happens to the Islamic State if it loses the battle for territory in Iraq and Syria? Here's a list of ways it might go down.
Embodiment of defiance… or foolhardy design?
Are terrorist attacks also an implicit design critique of our urban landscape? An architect and urban designer suggests we can fight terrorism by not building obvious targets.
A computer design for home manufacturing of a receiver, the trigger and firing part, of a semi-automatic rifle.
Beyond making guns at home, 3D printing could help countries secretly develop nuclear weapons and terrorists stage more effective attacks. How do we protect innovation and ourselves?
Recent attacks in Paris and Brussels have taught the French some important lessons about how to deal with the threat of terrorism.
An EgyptAir plane disappeared from radar en route to Egypt from Paris.
Only six percent of airline accidents in 2015 included fatalities. A security expert argues that a more accurate risk assessment of airline travel would take into account close calls.
Temelin nuclear power plant, Czech Republic.
Recent terrorist attacks have heightened concerns about the security of nuclear plants. A former top U.S. nuclear regulator says security is weak at many sites worldwide.
But how to stop a next time?
What we need is an examination of whether we're looking at terrorism the right way to begin with.
Since Defence Force chief Mark Binskin and Prime Minister Tony Abbott announced the deployment of Australian warplanes, the confused ‘mission creep’ seen in the last Iraq war has begun.
Before committing more troops, the Australian government should be certain about the type of threat Islamic State (IS) poses and whether the Australian Defence Force has a clear and justified objective…