The US State Department has approved Australia's request to buy up to 220 long-range Tomahawk cruise missiles to arm its navy ships and the US nuclear-powered submarines it agreed to buy this week.

The skies have been turbulent over the United States in 2023 -- and not just because of rogue balloons.

A secret plan drawn up by Russia's security service, the FSB, lays out detailed options to destabilize Moldova -- including supporting pro-Russian groups, utilizing the Orthodox Church and threatening to cut off supplies of natural gas. CNN's Nic Robertson reports.

Chinese scientists are examining a potential weakness in the US missile defense system. According to a Chinese study, a North Korean missile could reach the US in 33 minutes if the US fails to intercept it. CNN's Will Ripley reports.