The hybrid warfare developed and practiced by Russia over the past two decades relies - like in the Ukraine crisis - on propaganda, psychological warfare and cyberattacks as much as on conventional firepower

After weeks of uncertainty, Biden says the U.S. assessment on a widespread invasion has changed, citing the Americans' 'significant intelligence capability'

After the fighting started in eastern Ukraine in 2014, a group of veterans launched a drone-making company. Now they pledge to share their experience to stop the Russians and their separatist allies

Meanwhile, separatist leaders in eastern Ukraine order a full military mobilization amid a spike of violence in the region citing an 'immediate threat of aggression' from Ukrainian forces

Drills involve launches from warships, submarines and warplanes as well as from land and include the launch of hypersonic ballistic missiles

New analysis of Iron Age stronghold in the heart of Israel's mountainous Upper Galilee explains who may have built it, why it was built and why it didn’t last long

While not actively wanting a Russian invasion, Ukraine's Azov ultranationalist movement will see it as a chance to build its brand, warns far-right expert Michael Colborne