Defence expert Michael Clarke has been answering your questions about Ukraine, against the backdrop of the first ...

China is no longer the US Pentagon's top priority, shifting its focus to the homeland and Western Hemisphere, an influential ...

Sky’s defence and security analyst Michael Clarke discusses what could be a pivotal day for peace negotiations.

Sky’s defence and security analyst Michael Clarke says, “we’re on the verge of the failure of this third round of the attempt ...

British soldiers say they were not offered biological screening after being exposed to a deadly toxin in Iraq 20 years ago - ...

Four people have been killed by overnight Russian strikes in Ukraine, authorities say. Officials said the attack was the most concentrated barrage of the year so far. Follow the latest and submit a ...

Older veterans will be liable to be recalled for service under new measures aimed at making Britain more prepared for war.

Since winning re-election, president-elect Donald Trump has expressed an interest in acquiring Greenland.

Britain's first ever self-flying full-sized helicopter has taken to the skies.

Sky's economics and data editor Ed Conway visits chemical plants across the country critical to our food security, defence ...