Nuclear-armed countries are strengthening their arsenals and several have made ready new nuclear-armed or nuclear-capable weapons systems amid rising geopolitical tensions, a new report has found.
The White House has publicly confirmed that Russia has obtained a "troubling" emerging anti-satellite weapon but said it cannot directly cause "physical destruction" on Earth.
The report comes a day after South Korea detected its northern neighbour firing missiles over Sinpo, the latest in a streak of weapons demonstrations by North Korea amid increasing tensions with the United States, South Korea and Japan.
Hunter Biden's attorneys are suggesting that prosecutors bowed to pressure by Republicans, who have insisted the Democratic president's son got a sweetheart deal.
The militarisation of Russia's public schools has intensified since the Russian invasion of Ukraine, driven not by a spontaneous surge of patriotic feeling, but by the government in Moscow.
There are renewed calls for safer knife laws in Queensland after armed teenagers allegedly carried out two stabbing attacks in the state's south-east over the weekend.
The deal ends a long-running Justice Department investigation into Biden's second son, who has acknowledged struggling with addiction following the 2015 death of his brother Beau Biden.
The near collision between US and Chinese naval vessels in the Taiwan Strait highlighted the dangers of a military miscalculation in a dispute that stretches back decades.
Authorities in Serbia have displayed stacks of guns and cartons of hand grenades from the thousands of weapons, including anti-tank rocket launchers, that they said people handed over since back-to-back mass shootings stunned the nation.
The US ambassador to South Africa accused the country on Thursday of providing weapons and ammunition to Russia for its war in Ukraine via a cargo ship linked to a sanctioned company that docked secretly at a naval base near the city of Cape Town in December.
Beijing has issued a call to avoid "hyping up the 'China threat' narrative" after Australia's landmark defence review called out the superpower's historic military buildup.
Australia faces the greatest strategic challenges since World War II, the prime minister says, as the government unveiled its response to the landmark defence review.