New START, signed in 2010 by then-President Barack Obama and his Russian counterpart, Dmitry Medvedev, restricted each side ...

For the first time in over half a century, the US and Russia have no legally binding agreement limiting their strategic ...

A Russian official said Moscow is ready to respond with military measures if the United States deploys its missile defense ...

US President Donald Trump has refused Russia's proposal to extend New START treaty limits on nuclear weapons. This move ...

As the final restraints on nuclear stockpiles vanish, experts have issued a terrifying warning.

Shortly before lunchtime on Oct 30 1961, a Soviet plane flying above the Arctic archipelago of Novaya Zemlya dropped the most powerful nuclear bomb ever created.

Shortly before lunchtime on Oct 30 1961, a Soviet plane flying above the Arctic archipelago of Novaya Zemlya dropped the most ...

New START, enacted in 2010, is set to expire amid rising U.S.- Russia tensions and against the backdrop of a Chinese nuclear arsenal that is growing rapidly. It’s unclear whether the treaty’s ...

Astronauts are flying to the moon for the first time since 1972, and scientists are preparing specialized space suits for the ...

It’s unclear what effect the change will have on Russia’s ability to wage war, but Russian military bloggers said troops were ...

By Tom Balmforth KYIV, Feb 5 (Reuters) - Starlink internet terminals used by Russian troops in Ukraine have been deactivated, ...

Four astronauts could blast off to the International Space Station (ISS) next week, after setbacks including a mysterious ...