Nuclear

As declarações do presidente dos EUA provavelmente causarão constrangimento aos assessores do monarca britânico, que geralmente permanece neutro

• O conflito com o Irã entrou em uma fase semelhante à Guerra Fria, com sanções financeiras e interdições navais, levando a um impasse tenso. • Espera-se que os preços mais altos da energia persistam, enquanto o risco de escalada permanece. • O Presidente Trump estaria avaliando novos ataques em vez de intensificar as sanções, visando forçar o Irã a negociar seu programa nuclear.

Two months after the U.S.-Israeli attack on Iran started the war, peace talks are on hold, with control of the Strait of Hormuz and the future of Iran's nuclear program as the two main points of contention.(Image credit: Vahid Salemi)

Australia is dependent upon UK’s ability to deliver new submarines, but report finds ‘cracks are already beginning to show’ “Cracks are already beginning to show” in the UK’s funding for the Aukus agreement that could derail the ambitious nuclear submarine plan, a British parliamentary inquiry has found, highlighting a threat to Australia’s security.UK shipbuilding has been under-funded for decades and the country’s submarine availability is “critically low”, the House of Commons defence committee’s report found. Continue reading...

• Iran has announced the resumption of uranium enrichment to 80% purity at its Natanz facility, signaling a breakdown in ongoing ceasefire negotiations with the United States. • International Atomic Energy Agency inspectors confirmed the announcement on Friday; Iran's move violates terms of previous diplomatic agreements and heightens regional security concerns. • The escalation comes as negotiators report deadlocked talks over sanctions relief, with both sides blaming the other for refusing compromise on nuclear program restrictions.

• A military confrontation along the Kashmir border escalated Friday when Pakistani forces fired on Indian positions near Uri, killing 12 Indian soldiers and wounding 18 others in the deadliest incident in two years, Pakistani military sources confirmed. • India's military responded with retaliatory strikes, with New Delhi claiming to have neutralized three Pakistani military positions; Pakistan denied casualties on its side but acknowledged defensive operations. • Regional analysts expressed alarm that the incident could spiral into broader conflict, warning both nations possess nuclear arsenals and recent diplomatic tensions have left few de-escalation channels open.

In February 2025, a cheap Russian drone tore through Chornobyl’s confinement shelter. Workers warn the site of the world’s worst nuclear accident is not safe yetThe dosimeter clipped to your chest ticks faster the moment you step off the designated path inside the Chornobyl nuclear power plant. Step back, and it slows again – an invisible line between clean ground and contamination.Above rises the “new safe confinement” (NSC) – the largest, movable steel structure ever built, taller than the Statue of Liberty, wider than the Colosseum, its arch curving overhead like an aircraft hangar built for giant planes. Continue reading...

• North Korea launched an intermediate-range ballistic missile from its western region Tuesday evening, the sixth such test in the past three months despite frozen nuclear diplomacy with the US. • US officials assessed the missile demonstrated improved guidance systems, suggesting continued weapons development despite economic sanctions and international isolation. • The test complicates efforts to restart dialogue, with South Korea calling for emergency trilateral talks involving Japan to address escalating regional security threats.

Washington reportedly limits satellite data after minister spoke publicly about suspected facility in North KoreaThe US has partly restricted intelligence sharing with South Korea after the country’s unification minister publicly identified a suspected North Korean nuclear site, according to reports in South Korean media.Chung Dong-young told lawmakers in March that North Korea was operating uranium enrichment facilities in Kusong, a north-western area that had not previously been officially confirmed as a nuclear site alongside the known facilities at Yongbyon and Kangson. Continue reading...

• US President Donald Trump warned Iran of 'no more Mr Nice Guy' and threatened new strikes if no deal is agreed by Wednesday, following stalled talks over nuclear issues and the Strait of Hormuz. • Iran closed the Strait of Hormuz until the US lifts its blockade, with Revolutionary Guard navy confirming the move amid risks to global oil shipments; 13 US service members killed in related conflict. • Negotiations in Islamabad saw US propose 20-year Iranian nuclear suspension, countered by Iran's 3-5 year halt offer; Tehran reports progress but fundamental gaps remain per speaker Mohammad Bagher Ghalibaf.

• President Trump signals he will not extend Iran's ceasefire deadline if a comprehensive deal is not reached by Wednesday, warning of renewed military action including 'dropping bombs' if negotiations fail. • Trump declares the Strait of Hormuz now open due to a U.S. Navy blockade and pointedly rejects NATO's offer of assistance, highlighting America's unilateral stance in Middle East tensions. • The escalating pressure on Iran represents a significant shift in Trump administration foreign policy and challenges traditional alliance structures in addressing regional security threats.

Pyongyang making ‘very serious’ progress on producing weapons, with rapid rise in activity at main nuclear complexNorth Korea has made “very serious” progress in its ability to produce more nuclear weapons, the head of the UN’s nuclear watchdog has warned, in another sign that the regime is seeking to use its nuclear arsenal to ensure its survival.North Korea is thought to have assembled about 50 nuclear warheads, although some experts are sceptical of its claims that it is able to miniaturise them so they can be attached to long-range ballistic missiles. Continue reading...

• President Trump announced on April 12 that the U.S. Navy would begin a blockade of the Strait of Hormuz and intercept any vessel that has paid tolls to Iran to transit the strait safely, following the failure of 21-hour nuclear negotiations. • Vice President JD Vance confirmed in Islamabad that no agreement was reached, with Iran's refusal to abandon its nuclear program cited as the primary sticking point. • Iran's state-affiliated Fars news agency reported the country has no plan for a next round of negotiations, marking a significant escalation in the U.S.-Iran conflict.

• Vice President JD Vance announced at a press conference in Pakistan on April 12 that 21 hours of negotiations with Iran have concluded without reaching an agreement, with the primary sticking point being Iran's refusal to abandon its nuclear program. • Vance characterized the lack of progress as "bad news for Iran," while Iran's state-affiliated Fars news agency reported that Tehran has "no plan for a next round of negotiations" according to sources close to the negotiating team. • The failed talks carry significant implications for Middle East stability and global security, with experts examining how the diplomatic breakdown affects ongoing regional conflicts and US-Iran relations.

Iranian sources, however, blame ‘excessive’ demands from Washington for breakdown of talks in Islamabad to resolve US-Iran conflictMiddle East crisis – liveThe US vice-president, JD Vance, has blamed the failure of marathon negotiations with Iran on the country’s refusal to abandon its nuclear weapons programme, while Iranian sources have hit back at “excessive” demands from Washington.Vance, who left Islamabad on Sunday morning after 21 hours of talks with Iranian officials in the Pakistani capital, said his team had been very clear on its red lines, as hopes faded of a quick end to the conflict that began on 28 February. Continue reading...

2015 nuclear deal negotiators say cutting off strait of Hormuz has shown Iran how it can ‘balance asymmetry of power’ with USMiddle East crisis – live updatesFormer US envoys who dealt with Iran have said that the US-Israeli attack on Iran and Tehran’s subsequent closure of the strait of Hormuz have given Iran new tools and resolve to resist pressure to shutter its nuclear programme.Two senior negotiators for the Joint Comprehensive Plan of Action (JCPOA), the Obama-era agreement to limit Iran’s nuclear uranium enrichment in exchange for sanctions relief, said that the Trump administration’s war had handed Iran a coveted weapon by demonstrating its ability to cut off the strait of Hormuz, an economic chokehold that one negotiator said would help Iran “balance the asymmetry of power” with the US. Continue reading...

• Russia and China are advancing nuclear-powered icebreakers and submarines to contest US control over Arctic shipping routes amid melting ice caps. • New vessels, including Russia's Project 22220 upgrade with 100 MW reactors, aim to secure Northern Sea Route for energy exports by 2027. • This development escalates great power competition, as US lacks comparable non-nuclear fleet, risking influence over $1 trillion in resources.

• The Nuclear Regulatory Commission granted final approval for Diablo Canyon nuclear power plant to continue operations through 2030, concluding a three-year regulatory review process. • This decision represents a significant policy shift regarding nuclear energy in California and demonstrates regulatory confidence in the plant's safe operation and maintenance standards. • The approval reflects broader national conversations about nuclear energy's role in meeting energy demands and climate goals, particularly as the U.S. seeks to expand clean energy capacity.

• President Donald Trump warned Monday via Truth Social that if Iran does not open the Strait of Hormuz and a deal is not reached "shortly," the US will "blow up and completely obliterate" Iran's electric generating plants, oil wells, and Kharg Island. • US Secretary of State Marco Rubio said Washington is close to achieving its objectives in Iran "in a matter of weeks" and that Trump has "a number of options available" to prevent Iran from controlling the strategic waterway. • The threat comes as 3,500 US Marines and sailors aboard the USS Tripoli arrive in the Middle East, joining over 50,000 American troops already in the region, with hundreds of Navy SEALs also deployed.

• The Israeli Defense Force conducted widespread strikes targeting Iran's missile and nuclear infrastructure on Thursday, marking escalation in the month-long Operation Roaring Lion with strikes on facilities including the Arak Reactor. • Oil prices surged and US stock markets fell sharply Thursday amid renewed uncertainty about potential conflict resolution, with investors expressing doubt over prospects for ending the Iran war. • The escalation coincides with Houthi forces joining the conflict through attacks on Israel and a critical April 6 deadline for potential wider regional military engagement.

• NASA announced nuclear rocket development as part of this week's major science news, signaling advancement in propulsion technology for future space missions. • The announcement was featured in Live Science's weekly roundup of the latest scientific developments, alongside research on space reproduction challenges and insights into cannabis effects on appetite. • Nuclear propulsion systems represent a significant technological leap that could enable faster deep-space exploration and reduce mission duration for long-distance space travel.

First responders report 33 injured at multiple sites in Dimona, including a 10-year-old boy in serious conditionMiddle East crisis live – latest updatesAn Iranian missile has hit the Israeli town of Dimona, home to a nuclear facility, in what Iran said was retaliation for strikes on its own nuclear site at Natanz.Dimona hosts a facility just outside the main town widely believed to possess the Middle East’s sole nuclear arsenal, although Israel has never admitted to possessing nuclear weapons. Continue reading...

• Swarms of high-tech drones entered airspace over a U.S. military base housing B-52 bombers and the Air Force's nuclear command, prompting law enforcement warnings of "a significant threat to public safety and national security." • The incident represents an escalation in reconnaissance or potential attack capabilities, occurring during the ongoing conflict with Iran in the Middle East. • Military and security officials are investigating the drone incursion and assessing vulnerabilities to critical U.S. defense infrastructure.

Police say two people tried to enter Faslane base in Scotland, home to core of UK’s submarine fleet and Trident nuclear weaponsTwo people have been charged, one of them Iranian, after they allegedly tried to enter HM Naval Base Clyde in Scotland, which houses the UK’s nuclear Trident submarines.A 34-year-old man and a 31-year-old woman were charged after the incident at the base, which is known as Faslane. Police Scotland said inquiries were continuing and that the pair were due to appear at Dumbarton sheriff court on Monday. Continue reading...

• Law enforcement warns of 'significant threat to public safety and national security' after swarms of high-tech drones entered airspace over a US base housing B-52 bombers and Air Force nuclear command. • The incident heightens tensions amid US military deployments to the Middle East and ongoing Iran conflict, raising fears of escalation or related threats. • This comes as Trump weighs de-escalation in Iran while oil prices surge, potentially linked to broader geopolitical risks affecting US homeland security.

• The Trump administration has granted Silicon Valley-based nuclear companies expedited pathways to test experimental reactor designs, with the DOE creating a new program and assigning concierge teams to help companies navigate bureaucracy. • About a dozen advanced reactor companies are currently planning to participate, with the administration targeting some reactors to achieve "critical" status—a key milestone toward functioning power plants—by July 2026. • The DOE quietly overhauled safety rules for new reactors and shared the revised regulations with companies before making them public, addressing long-standing complaints that companies lack opportunities to experiment.

Man and woman, one of whom is understood to be Iranian, held after asking to enter sensitive military siteTwo people have been arrested, one of whom is understood to be Iranian, after they tried to enter the Faslane nuclear submarine base in Scotland in what may have been an attempt at espionage.A man, 34, and a woman, 31, were detained by Police Scotland after they had asked to enter one of Britain’s most sensitive military sites late on Thursday afternoon. The base is home to the UK’s Trident submarines and not open to the public. Continue reading...

• Director of National Intelligence Tulsi Gabbard testified before the Senate Intelligence Committee, claiming last year's strikes obliterated Iran's nuclear program with no rebuild efforts. • Republican senators blocked a war powers resolution to limit President Trump's Iran attacks, amid questions on an imminent nuclear threat. • Gabbard dodged direct queries during the hearing, drawing criticism from Sen. Jon Ossoff on threat assessments.