The UK is in a "new AI arms race" with countries like Russia and North Korea, the Chancellor of the Duchy of Lancaster will say on Monday.
Russian forces have reportedly captured a British man while he was fighting for Ukraine....
Russia launched a large drone attack on Kyiv overnight, with Volodymyr Zelenskyy warning the attack shows his capital needs better air defences....
Russia is prepared to launch a wave of cyber attacks on Britain - and can "turn the lights off for millions of people", a minister will warn....
Routine domestic activities could expose people to a cloud of plastic particles so small that they can be inhaled deep into the lungs, according to research seen exclusively by Sky News....
Vladimir Putin has said Russia will start mass-producing a new hypersonic, non-nuclear ballistic missile it fired at Ukraine on Thursday....
Facing the threat of an attack from Russia, Sir Keir Starmer has finally revealed he will "set out the path" to raise defence spending to 2.5% of national income in the spring....
President Vladimir Putin has said Russia will ramp up the production of a new, hypersonic ballistic missile....
Storm Shadow cruise missiles made in the UK and donated to Ukraine have been used to strike targets inside Russia....
Ukraine's military has for the first time confirmed the use of British-made Storm Shadow missiles inside Russian territory....
There is no room for Vladimir Putin to back down....
The frontline in Ukraine is at risk of "collapse" as Russian forces capture village after village, analysts have warned....
Downing Street has indicated Israeli Prime Minister Benjamin Netanyahu would be arrested if he arrived on British soil following an international arrest warrant being issued for him....
A tall man emerged from an array of gym equipment, walking towards me, slightly swaying as his prosthetic leg flexed and stepped in time with his natural one....
President Putin has warned he could hit back against countries supplying weapons being used against targets in Russia....
An investigation is under way into the France-based defence company Thales for suspected bribery and corruption, the UK's Serious Fraud Office (SFO) has announced....
Arrest warrants have been issued for Israeli Prime Minister Benjamin Netanyahu, former defence secretary Yoav Gallant and a senior Hamas commander by the International Criminal Court (ICC)....
A US federal court has issued an arrest warrant for one of India's richest men....
Ukraine has fired British-supplied Storm Shadow missiles into Russia, a source has told Sky News....
Russia has been accused by European governments of escalating hybrid attacks on Ukraine's Western allies after two fibre-optic telecommunication cables in the Baltic Sea were severed....
The first time the world learns whether the UK has allowed Ukraine to fire British Storm Shadow cruise missiles inside Russia will probably be the moment they are actually used. ...
If there's one thing that defines what Russia has become over the past 1,000 days, it's the letter Z....
Russia has been strongly criticised by Britain's foreign secretary for vetoing a United Nations Security Council resolution pressing for a ceasefire in war-torn Sudan....
Barely anyone speaks – there is virtual silence apart from the sounds of passing vehicles and the wind whipping through flags and photographs commemorating the dead in a war that started 1,000 days ago when Russia invaded....
The Kremlin has criticised President Joe Biden for adding "fuel to the fire" after giving Ukraine permission to launch US missiles into Russia....
The Kremlin's reaction to reports that Washington has lifted restrictions on how Ukraine uses its weapons was nothing we haven't heard before....
An acclaimed Russian ballet dancer has died aged 39 after reportedly falling off a balcony....
Joe Biden has authorised Ukraine to begin firing US-supplied rockets deep into Russia - as Sir Keir Starmer prepares to push for "further support" for Kyiv at the G20 summit....