The next steps in the fatal midair plane and helicopter crash investigation. And, why nuclear testing could ramp up in the ...

Seventy-five years ago, a Douglas C-54D Skymaster disappeared en route from Alaska to Montana. No trace of its crew and ...

A US military helicopter that hit a passenger jet in Washington was practicing emergency evacuation plans. It is not clear ...

Here’s What You Need To Know: Between 1989 and 1998 seven expeditions were carried out to secure the reactor against radioactive release and seal the torpedo tubes. Russian sources allege that ...

Here’s What You Need to Remember: After World War II, the Soviet specter lay heavily across Europe. Like other post-war countries, Sweden wanted to protect itself from a Soviet invasion —..

Iran has accumulated a vast amount of enriched uranium, which is "very, very close" to weapon grade, International Atomic ...