Ukrainian forces have disabled a Russian Kilo-class submarine in an unprecedented underwater drone strike at the Novorossiysk base. Read the full details of this historic naval operation.
In a pivotal Berlin meeting, US envoys propose unprecedented security guarantees for Kyiv. Zelenskyy seeks more arms and sanctions as ceasefire hopes emerge. Read the latest on day 1,392 of the war.
Ukrainian forces disabled a Russian Kilo-class submarine in a historic underwater drone strike at Novorossiysk. Read the full analysis of this naval turning point.
Ukrainian forces have reportedly destroyed a Russian Kilo-class submarine in the Black Sea using Sea Baby underwater drones, marking a historic first in naval warfare. Read the full analysis.
Skydiving instructors take unprecedented strike action across the UK, halting jumps. Meanwhile, the government receives the crucial US review of the AUKUS submarine pact. Follow live updates.
Catch Gerard Butler and Gary Oldman in the action-packed submarine thriller 'Hunter Killer' on Film4 tonight. This military drama aims to prevent WW3. Tune in at 6:40pm.
A suspected Russian sonobuoy used for submarine detection discovered off Pembrokeshire coast. Defence Secretary warns UK ready with military options against Russian spy ship.
Dramatic footage shows a NATO submarine sinking a frigate with a torpedo during the Aegir 25 exercise. Watch the video and see the alliance's striking power verified.
Gerard Butler's 2018 action thriller 'Hunter Killer', panned by critics but loved by fans, gets a TV screening tonight on Film4. Discover why audiences call it a 'superb' movie.
US Coast Guard intercepts narco-submarine carrying £200 million worth of cocaine with historic connection to former President Donald Trump's business empire
New intelligence imagery shows Russia's advanced nuclear submarine positioned in Baltic Sea, raising concerns among defence experts about escalating tensions with NATO.
Vladimir Putin deploys cutting-edge nuclear submarine to Cuba in calculated show of force, bringing Russian military power alarmingly close to American shores amid escalating tensions.
Vladimir Putin reveals terrifying new nuclear submarine designed to deploy doomsday drone capable of triggering radioactive tidal waves against coastal cities.
The BBC's critically acclaimed submarine thriller Vigil is officially returning for a third series, with Suranne Jones and Rose Leslie set to reprise their roles in another tense investigation.
Britain and Germany announce landmark defence agreement allowing mutual use of aircraft and naval bases amid growing concerns over Russian submarine activity in North Atlantic waters.
Exclusive underwater footage captures the OceanGate Titan sub's haunting final descent towards the Titanic wreckage, revealing new details about the catastrophic implosion that claimed five lives.
Donald Trump makes explosive comments about military strategy, claiming he'd order destruction of terrorist submarines in brutal fashion during rally speech that's drawing international attention.
Newly unearthed documents reveal the harrowing final moments of the USS Tang, the US submarine that tragically sank itself with its own torpedo in 1944, claiming 78 lives in one of World War II's most devastating naval accidents.
Exclusive details reveal Donald Trump's fiery cabinet meeting where he unleashed profanity-laden rants about Venezuela's president and expressed fury over botched narco-submarine operation that left two US operatives captured.
US investigators reveal shocking safety lapses and design flaws in OceanGate's Titan submersible that led to catastrophic implosion killing five, including British billionaire.
Exclusive intelligence reveals Russia's landing ship Novorossiysk has suffered catastrophic damage in a covert Ukrainian operation, dealing another blow to Putin's Black Sea Fleet amid escalating tensions.
A grieving mother's quest to honour her son's memory led her to board the ill-fated Titan submersible, in a poignant story of love, loss and unimaginable tragedy.
Dutch Prime Minister Mark Rutte warns of serious NATO concerns as Russian Kilo-class submarine Novorossiysk detected operating near Novorossiysk naval base, raising tensions in Black Sea region.
Groundbreaking analysis by UK marine experts reveals the OceanGate Titan submersible likely suffered catastrophic failure in mere milliseconds during its fatal descent to Titanic wreckage.
Exclusive intelligence reveals a Russian spy submarine was detected operating near French naval bases, raising serious security concerns among NATO allies about Moscow's escalating surveillance activities in European waters.
In an extraordinary breach of protocol, a US Navy Ohio-class nuclear submarine surfaced near Florida, sparking security concerns and revealing classified vessel movements.
Exclusive: A chilling terrorist plot to attack a Manchester synagogue has been thwarted after a teenage jihadist planned to massacre worshippers with a sword and dagger during prayer services.
As debates rage about designating Antifa as a terrorist organisation, we examine what this controversial movement actually stands for and why it remains at the centre of political controversy.
Former President Donald Trump's controversial move to designate Antifa as a terrorist organisation has raised alarm among civil liberties experts and UK officials, who warn of dangerous implications for protest rights and free speech.
Exclusive: A terrorist suspect used dating app Muzmatch to infiltrate Manchester's Jewish community while planning an attack on a local synagogue, security services reveal.