Russia is testing the combat readiness of a unit equipped with Yars intercontinental ballistic missiles in a region northwest ...

Constellation Energy is asking the Nuclear Regulatory Commission on Oct 25 to change the name of Three Mile Island, nearly 50 ...

The 2010 New START U.S.-Russian arms reduction treaty, the last remaining arms control pact between Moscow and Washington ...

Oddball Stellar Duo Creates Spectacular Fireworks Located about 700 light-years from Earth, R Aquarii is one of the closest stars known to undergo massive violent eruptions that spew out huge ...

Zelensky seeks to convince Western allies to back his plan as more than 160 clashes reported along front line of war ...

North Korea preparing 10,000 soldiers to join Russia's war, Zelensky confirms Getting out of 'protracted' war with Russia ...

A senior Ukrainian official called on Thursday for intensified efforts to uphold nuclear safety in view of Russia's ...

A map has been released showing the areas most likely to be targeted in the event of a nuclear attack on US soil, with ...

The US Department of Energy (DOE) has committed $900m to support the development and deployment of advanced Generation III+ ...

A $900 million funding opportunity released by the Department of Energy (DOE) on Oct. 16 seeks to spur “first mover” teams ...

Each deal supports the development of small modular reactors (SMRs), which can be one-tenth to one-quarter the size of a ...

On the 60th anniversary of the nation’s first atomic weapon test, experts trace how policy, politics and purpose laid the ...