The Latest Breaking News from Rafael Mariano Grossi

International nuclear monitors are preparing to return to the stricken Chernobyl nuclear power plant — site of the deadly 1986 meltdown — as soon as Russian troops complete their withdrawal and Ukrainian operators take back control.

Russia and Ukraine both say they are making efforts to help civilians evacuate westwards out of the besieged port city of Mariupol in eastern Ukraine

The U.N. nuclear watchdog says its director-general has arrived in Ukraine for talks with senior government officials on delivering “urgent technical assistance” to ensure the safety of the country’s nuclear facilities

The UN nuclear watchdog said its director-general has arrived in Ukraine for talks with senior government officials on delivering “urgent technical assistance” to ensure the safety of the country’s nuclear facilities. The International Atomic Energy Agency said Tuesday that Rafael Mariano Grossi’s aim is to “to initiate prompt safety and…

At least seven forest fires continue to burn around the Russian-held Chernobyl nuclear site in Ukraine, raising fears radionuclides could spread from the defunct facility.

Rafael Mariano Grossi, director general of the International Atomic Energy Agency (IAEA) said there is no confirmation that power has been restored at Chernobyl

Russian forces destroyed an atomic-physics lab under international safeguards in Ukraine’s second-largest city, the head of the world’s nuclear watchdog said, underscoring growing concerns over the safety risks posed by fighting around the country’s atomic facilities.

Iran and the U.N. nuclear watchdog on Saturday agreed a three-month plan that in the best case will resolve the long-stalled issue of uranium particles found at old but undeclared sites in the country, removing an obstacle to reviving the Iran nuclear deal.

Iran paved the way for sanctions relief by agreeing to help end a contentious nuclear investigation, removing one of the final hurdles to an atomic deal that could see Iranian oil return to markets by the third quarter.

Russian strike sparks global alarm it could dwarf the world’s worst nuclear disaster at Ukraine’s Chernobyl in 1986.

The head of the United Nations’ nuclear watchdog is preparing to meet with Iranian officials as talks in Vienna over Tehran’s tattered atomic deal with world powers appear to be reaching their end