Defense startup Castelion said on Friday it has won contracts to integrate its Blackbeard hypersonic strike weapon with ...

Putin announced that Russia is developing next generation of nuclear-powered cruise missiles capable of flying over three ...

Trump's announcement breaks with more than three decades of policy. The last time the United States tested a nuclear weapon ...

President Trump and one of his top cabinet officials are sending mixed messages on how the U.S. government is handling the most destructive weapons in the world.