Five serving members of the army have been arrested on suspicion of belonging to the group.
The Berlin terror attack at the end of 2016 will have major political implications for Germany's elections this year and an uneasy European Union, writes a German studies scholar.
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.
Spending time in prison for one's political beliefs can be incredibly challenging. Those convictions can help you to survive those times.