For years, American lawmakers and other government officials have been haunted by the idea that an enemy could one day launch a massive electromagnetic pulse attack on the United States that would destroy the national power grid, catapulting more than 300 ...

Typical signs of heart attack can include tightness and pain in the chest. But other signs can also include lightheadedness and pain in the neck or jaw. Every year, an estimated 805,000 people in the United States have a heart attack, according to the ...

The FBI announced it disrupted a "potential terrorist attack" planned for New Year's Eve in North Carolina. A suspect was "directly inspired" by the Islamic State group, the FBI said.

The Prachand is a light multirole attack helicopter intended to perform well in ‘hot and high’ conditions. It features a turret-mounted French 20-mm autocannon, the M621. It will armed with the indigenous Dhruvastra anti-tank guided missile, with provision to carry air-to-air missiles.

Browser extensions turned malicious after years of legitimate operation in DarkSpectre campaign affecting millions. The threat group hid malware in image files.

Multiple people in the center were attacked before on-site security detained a suspect as police arrived, police said.

A gunman who fatally shot two Brown University students before killing a professor in another state planned the attack for months and expressed no remorse, according to transcripts of confessional-style videos released by investigators.

As left-wing extremists claim an attack that's plunged Berliners into the dark and cold, the mayor says it isn't "just arson or sabotage," it's terrorism.