Developed by technology firm MSubs from Plymouth under the UK's Project Cetus, Excalibur was unveiled in May and is the largest uncrewed submarine in Royal Navy ...

The UK’s Royal Navy has successfully tested long-distance communication with its new Extra-Large Uncrewed Underwater Vehicle ...

A large new submarine drone, dubbed Excalibur, can be controlled while it is 'submerged on the other side of the world.' ...

The Alaskan summit between Putin and Trump should be a warning to Australians that it's a risk to rely on the United States in the event of a conflict. But we're whistling in the dark.

Here’s the problem: the Albanese govern­ment wants the US to deliver it the most sensitive military technology there is – ...

The prototype Royal Navy robotic submarine XV-Excalibur has provided a glimpse of the fleet of the future by patrolling the waters at HMNB Devonport in Plymouth, England while controlled from a ...

Key Points and Summary: The landmark AUKUS security pact, which includes the sale of U.S. Virginia-class submarines to ...

Anthony Albanese’s recognition of a Palestinian state is “unexploded ordnance” that could ignite when the Prime Minister ...

Beijing has hit back at Australian claims China is spying on Australia, saying the accusations were “groundless” and accusing ...

DARC is designed to track multiple small moving objects in geosynchronous orbit — all around the globe, 24 hours a day.

Bolton warned that the US could treat its quieter allies with suspicion as tensions in the Pacific persist. The Trump ...

The Australian’s Washington Correspondent Joe Kelly discusses the “huge concern” around Australia’s defence spending and the AUKUS deal. The US Defence Department is increasingly concerned that ...