Nuclear weapons

Effects of nuclear testing still being felt worldwide, report shows

People sit in front of a television screen showing a news broadcast with file footage of a North Korean missile test, at a train station in Seoul on Jan 4, 2026.

North Korea produces enough nuclear material a year for 10 to 20 weapons: South Korean President

South Korea’s President Lee Jae Myung said that a pragmatic approach was needed in addressing North Korea’s nuclear issue.

Standoff with Iran over inspections cannot go on forever, IAEA chief says

FILE PHOTO: Rafael Grossi, Director General of the International Atomic Energy Agency (IAEA), outlines his priorities as a candidate for United Nations Secretary-General during an event framing his bid around diplomacy, sustainable development and international cooperation, in Buenos Aires, Argentina, December 22, 2025. REUTERS/Mariana Nedelcu/File Photo

Explainer-What is the status of Iran's main nuclear facilities?

Satellite image over Fordow, before the U.S. struck the underground nuclear facility, near Qom, Iran, June 2, 2025. 2025 Planet Labs PBC via REUTERS

‘If it expires, it expires,’ Trump tells NYT about US-Russia nuclear treaty

US President Donald Trump said the US could draw up a better agreement with Russia, and that it should also include China.

China accuses Japan of rising nuclear ambitions under its right-leaning government

FILE PHOTO: Printed Chinese and Japanese flags are seen in this illustration, July 21, 2022. REUTERS/Dado Ruvic/Illustration/File Photo

The last Russia-US nuclear treaty is about to expire. What happens next?

FILE PHOTO: US President George Bush and Soviet President Mikhail Gorbachev exchange documents after signing the START arms reduction treaty. July 31, 1991 REUTERS/Larry Rubenstein DISCLAIMER: The image is presented in its original, uncropped, and untoned state. Due to the age and historical nature of the image, we recommend verifying all associated metadata, which was transferred from the index stored by the Bettmann Archives, and may be truncated./File Photo

News analysis

Protests, ailing economy, Trump threats: Iran’s regime might struggle to survive

Iran's Supreme Leader Ayatollah Ali Khamenei greeting a crowd during a ceremony in Tehran, on Jan 3, 2026, after protests across the country. PHOTO/EPA/IRAN'S SUPREME LEADER OFFICE HANDOUT

Russia urges restraint after Trump warns Iran of possible strike

Is Russian technology behind North Korea’s new nuclear submarine?

North Korean leader Kim Jong Un visits the construction site of an 8,700-ton nuclear-powered submarine capable of launching surface-to-air missiles.

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MDDI (P) 046/10/2025. Published by SPH Media Limited, Co. Regn. No.202120748H. Copyright © 2026 SPH Media Limited. All rights reserved.