North Korea showcases near-complete hull of nuclear-powered submarine, as Kim Jong Un vows to strengthen naval nuclear deterrent and criticises South Korea's ambitions. Analysis and regional implications explored.
The White House directs the US military to enforce a two-month oil 'quarantine' on Venezuela, escalating economic pressure on President Maduro. Read the latest on this strategic shift.
Japan is restarting its largest nuclear power plant, Kashiwazaki-Kariwa, nearly 15 years after the Fukushima disaster. Local residents and experts voice deep concerns over safety and fairness. Read the full story.
President Zelensky details progress on a 20-point peace plan with the US, but major hurdles remain over Donbas and the Zaporizhzhia nuclear plant. Discover the latest developments.
A leak of water containing radioactive tritium occurred at the decommissioned Fugen plant in Japan. Authorities confirm no external release, but worker exposure is being investigated. Get the latest updates.
President Trump reveals plans for two new 'Trump Class' battleships, described as the fastest and most powerful ever built, to spearhead the US Navy's Golden Fleet initiative. Read the full details.
US officials confirm an 'active pursuit' of a third sanctioned oil tanker near Venezuela, escalating tensions with Maduro's government. Read the latest on the Caribbean naval crisis.
US forces intercept another Venezuelan oil tanker near its coast. President Trump escalates pressure on Maduro, refusing to rule out military conflict. Read the latest developments.
American forces have seized a second sanctioned oil tanker near Venezuela as part of a major naval build-up. President Trump announces a total blockade. Read the latest.
President Trump announces a complete naval blockade on Venezuela's oil tankers, escalating tensions in the Caribbean. Get the latest on this major geopolitical development.
Donald Trump announces a total naval blockade of Venezuelan oil tankers, escalating a major military deployment in the Caribbean. Read the latest on the US pressure campaign against Maduro.
A Russian drone strike has compromised the main protective shield at Chernobyl, the UN's nuclear watchdog confirms. Radiation levels remain stable, but urgent repairs are needed. Read the latest.
The Right Rev Thomas McMahon, Bishop of Brentwood for 38 years and a tireless campaigner for nuclear disarmament and social justice, has died aged 88. Read about his remarkable legacy.
A €1.5bn protective shield over Chornobyl is no longer containing radiation after a drone strike, the IAEA confirms. Urgent repairs are needed for long-term safety.
Londoners feared an invasion after loud bangs echoed across the capital. The source was a private fireworks display on the Thames in Greenwich. Read the full story.
Defence officials admit US Virginia-class submarines visiting under Aukus could carry nuclear warheads, contradicting earlier government assurances. Explore the legal and strategic implications.
Guardian's former environment correspondent Paul Brown issues a powerful final warning on political failure over climate crisis. Experts echo his call for urgent action.
PM Keir Starmer defends Chancellor Rachel Reeves amid accusations of misleading the public over the state of public finances. A fresh row with the OBR erupts over fiscal forecasts.
Ukrainian naval drones attacked two Russian oil tankers, the Kairos and Virat, in the Black Sea. The strike aims to pressure Russia's oil industry. Read the latest developments.
Ukrainian officials head to the US for crucial peace talks as dramatic footage shows naval drones hitting Russian oil tankers. Follow the latest developments in the war.
Ukrainian naval drones attacked two Russian oil tankers near Crimea, marking a significant escalation in Black Sea operations. Discover how this impacts regional security.
Becky Barnicoat's latest Guardian cartoon explores preparing for nuclear winter with dark humour. Discover how art captures our deepest anxieties about global threats.
Former Guardian environment correspondent Paul Brown shares crucial lessons from 45 years reporting on climate change, failed summits, and the nuclear industry from his hospital bed.
British energy bill payers will fund £2bn annually to EDF for Hinkley Point C and Sizewell C nuclear plants. Discover how Contracts for Difference impact your bills.
Ukrainian anti-corruption investigators raid home of President Zelenskyy's chief aide Andriy Yermak in nuclear energy kickback scandal. Follow latest developments.
The US Navy allegedly knew of dangerous airborne plutonium levels at Hunters Point shipyard for 11 months before alerting officials. Discover the health risks and ongoing cover-up.
Chancellor Rachel Reeves must decide on nuclear reforms that could slash energy bills or maintain costly bureaucracy spending £700m annually to protect a single fish.
Chancellor Rachel Reeves delays major nuclear power reforms following legal advice, putting £700m 'fish disco' savings on hold. Discover the implications for UK energy and growth.
A columnist marks her late mother's birthday at a nuclear disarmament meeting, exploring how the anti-nuclear argument has evolved since the 1980s. Discover the new threats to democracy.
A government taskforce proposes radical regulatory reforms to accelerate the UK's new nuclear reactor programme, aiming to lower costs and construction times while maintaining safety.