President Donald Trump "will decide the path forward on nuclear arms control, which he will clarify on his own timeline," a White House official told Breaking Defense.

The treaty put meaningful limits on the nuclear arsenals of both countries, but now it has expired with no plans to replace it.

The Kremlin says it views the expiration of the last remaining nuclear arms pact between Russia and the U.S. with regret, leaving no caps on the two largest atomic arsenals ...

A 180-ton lead and steel cask containing spent nuclear fuel will cross 13 states and travel more than 2,500 miles.

Gov. Kelly Ayotte is set to deliver her State of the State address before the Legislature on Thursday morning.

US and Iranian officials are due this week to hold their first talks since Iran launched a deadly crackdown on protests, in a ...

Iran's Sejjil cannot reach the US mainland, but its 2,000-km range and quick-launch design mean American bases in the Gulf would be among the first targets if conflict erupts.

Measuring conditions in volatile clouds of superheated gases known as plasmas is central to pursuing greater scientific understanding of how stars, nuclear detonations and fusion energy work. For ...

News 9 has obtained an exclusive first look at Ayotte's speech, which highlight's several top issues from the past year, ...

Gov. Kelly Ayotte touted New Hampshire as the best-run state in New England in a speech to lawmakers Thursday that laid out ...

As nuclear restraint frays globally, a little-known monitoring station in central Australia plays a crucial role in detecting ...

Politicians speak of “mutual concessions” as a path to peace. Intelligence asserts: such compromises are not peace, but a pause before a new war and a higher price.