Ted Koppel's new book reveals that a major cyber attack on America’s power grid is not only possible but likely - and it would be devastating.
North Korea launched a long-range rocket Sunday; are they creating reliable nuclear weapons that can attack faraway targets like the United States?
Authorities have arrested a 21-year-old Michigan man whom they accuse of supporting Islamic State militants and plotting to attack a church.
The gun culture is alive and well in New Hampshire where gun-control issues barely register among voters getting ready for Tuesday's presidential primary.
Twitter is now seeking out people that might be promoting ISIS and other terrorist groups and suspending those users' accounts.
The DEA alleges that some Hezbollah members used millions of dollars gained through cocaine sales in the US and Europe to fund operations in Syria and Lebanon.
A look at "United States of Jihad: Investigating America's Homegrown Terrorists," by Peter Bergen. Hint: They're mostly ordinary Americans.
The head of a top Brazilian health research institute says its scientists have discovered the presence of active Zika virus in saliva samples.
Officials want the British MI5 to go to Facebook or Google with wiretap orders for online chats of UK suspects in a new counterterrorism investigation.
Reports state that a group affiliated with the Anonymous hacking collective might have hacked into one of NASA's drones.
Health officials have confirmed that two people contracted the Zika virus via a blood transfusion - days after a sexual transmission of the disease was reported.
A federal elections official has ruled that residents of Alabama, Kansas and Georgia must now provide proof of U.S. citizenship in order to register to vote.