The Energy Department is seeking to bring back nuclear energy specialists after abruptly telling hundreds of workers that ...

Multiple government officials are telling ABC News that America is now facing a "national security crisis" because President ...

A drone armed with a warhead hit the protective outer shell of Ukraine’s Chernobyl nuclear plant early Friday, punching a ...

Only Donald Trump can make the call to launch U.S. nuclear-armed ICBMs. Our reporter visits the subterranean world of the ...

Former President Ronald Reagan entered office known as a fire-breathing hawk. He left office having signed major agreements ...

Although Chernobyl is the most well known, there are a host of other radioactive places in the world in countries including ...

Hundreds of probationary employees were terminated Thursday night in the mass Trump administration layoffs. The move prompted ...

Generally speaking, starting a war out of the blue is a bad idea. This is the lesson, if such was needed, of the utterly ...

President Trump said China and Russia should halve their military spending and limit nuclear weapons. You first, China said.

The United States operates 14 Ohio-class ballistic missile submarines (SSBNs) and four cruise missile submarines (SSGNs). The USS Ohio is the largest submarine the U.S. has ever built, and is capable ...

US President Donald Trump said on Thursday he would like to have conversations with both Russian President Vladimir Putin and ...

President Donald Trump said there is "no reason" to build brand-new nuclear weapons as he plans to pursue denuclearization ...