California woman indicted on charges that she was spying for China

Canada's defense minister said four service members were killed, and dozens of others were wounded, in an incident at a military base that caused a major fire.

The strikes came as tensions between Ukraine and Washington deepened.

Two men tell of the work they say they have been doing to support Ukrainian intelligence during the war.

The world's helium supply is facing a shortage seven months after Iranian strikes on a Qatari gas facility and the effective closure of the Strait of Hormuz. A range of industries are feeling the impact with no end to the war in sight. While most people associate helium with party balloons and squeaky voices, this finite and irreplaceable natural resource is critical for modern life. Without helium, there are no smartphones, cars, MRI machines, rocket launches, or missiles. "All it takes is a few of those to fall and the whole supply chain comes unraveled," he said.