Islamist terrorism

The new president's high-profile approach to fighting terror contrasts from the quieter strategy of his predecessor. Trump's style seeks bigger gains but could also mean taking bigger risks.

U.S. intelligence is alerting counterterrorism officials that a potential terror attack is possible as Americans head to the polls. While no details and…

The former neighbor of one of the San Bernardino shooters is accused of providing two guns that were used in the Dec. 2 attack that left 14 people dead.

French media said the 23-year-old man was a French national who had traveled to Syria in 2013. The government has not confirmed his identity.

PHOENIX — Calling him “off-the-charts dangerous,” authorities outlined the evidence against a Phoenix man who they say helped orchestrate a shootout on an…

PHOENIX — A Phoenix-area man has been charged with helping plan an attack on a provocative Texas cartoon contest featuring depictions of the Prophet…

The FBI sent a bulletin that key people never saw, and police say they were already guarding the event as they'd have done if they had seen it.

GARLAND — Officers protecting a controversial Prophet Muhammad cartoon contest did not know about an FBI memo sent to authorities in Texas beforehand that…

CANBERRA, Australia — Police arrested a 17-year-old and accused him of plotting to detonate three homemade bombs in the Australian city of Melbourne,…

WASHINGTON — Federal investigators learned several hours before a provocative cartoon contest in Texas that a man under investigation for extremist…