North Korea tests a new weapons system aimed at enhancing the efficiency of its tactical nuclear weapons.

North Korea says it has conducted "another important" test for reconnaissance satellite systems.

Japan's military says North Korea has fired an apparent ballistic missile in its first test since launching a raft of projectiles in January.

Russia successfully test-fires two Tsirkon (Zircon) hypersonic cruise missiles from a nuclear submarine.

North Korea test-fires a newly developed anti-aircraft missile just one day after addressing a warning to the United States.

The US military decides not to purchase Israel's Iron Dome after conducting its first test of the aerial missile system earlier this summer.

Britain's much-maligned multi-billion pound COVID-19 test-and-trace system is still missing targets and the results of millions of tests to find asymptomatic cases have not been reported, parliament's spending watchdog said on Friday.

A former White House physician has called on US President Joe Biden to undergo a cognitive test as the 78-year-old’s performance over the past months has raised qualms about his mental capabilities.

Some passengers arriving in Iran’s main international airport had fake COVID-19 test results, says a minister.

A SpaceX prototype rocket crash landed and exploded in flames at the conclusion of a test flight Tuesday, footage broadcast by the company showed.