Spy chief Hans-Georg Maassen said his agency has received over 100 tip-offs of disguised militants.
Merkel fears that Berlin turning away refugees would bring the end of the euro and the EU's single market.
Despite the political unrest surrounding the Germany's refugee influx, its leading academic institutions are opening their doors to Syrians
Few refugee shelters in Europe have as much history as Tempelhof Airport, which recently opened hangars to more than 2,000 asylum seekers.
The project wants the program to go Europe-wide in the next few years.
The AP reports the man had previously been convicted of belonging to a terrorist organization.
The program hopes to assist some of the 200,000 refugees currently applying for asylum in Germany.
Seven decades after the end of WWII and the Holocaust, the competition comes to Germany for the first time.
Did the Germans create Egypt's new "Frankenstein"?
The three whistleblowers were commemorated as part of a traveling project.
The bikers are riding to Berlin to celebrate the Red Army's victory over the city in WWII.
Writer Nicholas Shakespeare talks to the greatest minds in the world while walking through the places that have shaped their lives.
The job advert is featured on Kaufmich - a social networking site for sex workers.
Bond-buying will benefit peripheral economies such as Spain and Italy, while Greece is marginalised again
Greek defence minister threatened to flood Berlin with migrants if they withdrew support for bailout plan
A German study found that the majority of the population thought democracy was flawed in the country.
Anti-Semitism is a particularly sensitive subject in Germany, even 70 years after the end of the Holocaust.
There were arrests in Paris, Berlin, Belgium and Austria today after two were killed in a raid in Belgium last night.
12 homes were raided as well as a mosque thought to be linked to radical Islamic Salafists.
Anti-Islam group Pegida has been holding weekly rallies since October.