New York and Washington authorities heighten security at religious and diplomatic sites following U.S. airstrikes on Iranian facilities, with NYPD and MPD deploying resources.

State and local officials are reacting after President Donald Trump announced a U.S. attack on three Iranian nuclear sites on Saturday.

The 5.1 magnitude quake was felt in the Qom region, home to Iran's Fordow nuclear enrichment facility, which is buried underneath mountainous terrain.

Although Israeli leaders have never publicly admitted it, Israel is widely believed to possess nuclear weapons. Monitoring groups estimate Israel has around 90 warheads. Arms Control Association ...

Researchers at the Lawrence Livermore National Laboratory believe they have a cheaper and potentially more powerful way to monitor seismic activity.

Lawrence Livermore National Laboratory could ‘revolutionize’ earthquake monitoring and provide researchers the ability to find hidden faults and looming threats in Bay Area cities.

Breakthrough in earthquake imaging offers 1,000 times more accuracy Lab could ‘revolutionize’ earthquake monitoring and provide researchers the ability to find hidden faults and looming ...

Unsure of how far President Donald Trump will go to defend them, some U.S. allies are reconsidering their decision not to build their own nuclear weapons.

Nuclear talks between the U.S. and Iran this weekend signal a joint readiness to push for diplomacy instead of war.

Could the seismic signal of an underground nuclear test explosion be "hidden" by the signal generated by a natural earthquake?

While the earthquake caused minimal physical impact, its proximity to the proposed nuclear development site immediately reignited concerns over the safety of building reactors in seismically ...