A nuclear meltdown (core meltdown, core melt accident, meltdown or partial core melt[2]) is a severe nuclear reactor accident that results in core damage from overheating.

Meltdown, occurrence in which a huge amount of thermal energy and radiation is released as a result of an uncontrolled chain reaction in a nuclear power reactor.

Sep 27, 2023 · While the IAEA and U.S. Nuclear Regulatory Commission don't officially recognize the term "nuclear meltdown," it remains a source of fear. In this article, we'll explore nuclear …

A nuclear meltdown refers to a severe malfunction of a nuclear power plant, where a loss of cooling leads to overheating of the reactor core, resulting in the melting of nuclear fuel and …

Dec 22, 2025 · Japanese authorities have approved a decision to restart the world’s biggest nuclear power plant, which has sat dormant for more than a decade following the Fukushima …

Aug 29, 2025 · A nuclear meltdown is a severe accident where a nuclear reactor’s core overheats significantly. This occurs when nuclear fuel reaches its melting point due to a cooling system …

A nuclear meltdown is a severe nuclear reactor accident that occurs when the core of the reactor overheats, leading to the melting of the fuel rods and release of radiation. This critical failure …