A Russian ship that sank after its engine room exploded in the Mediterranean could have been carrying parts for nuclear reactors used in submarines, according to Spanish government documents.

A Russian cargo ship that sank after a series of explosions 17 months ago was likely headed to North Korea carrying nuclear ...

U.S. Space Command chief says he is very concerned Russia may be developing a nuclear weapon in space that could disrupt satellites and daily life on Earth.

The head of the organization overseeing a treaty banning nuclear testing is warning that if the United States, Russia or any ...

Strikes across Ukraine, Russian-occupied territory and Russia killed at least 16 people, authorities said, as the 40th anniversary of the Chernobyl nuclear disaster prompted fresh warnings about ...

The Ursa Major sank on Dec. 23, 2024, between Spain and Algeria while allegedly on a journey from St. Petersburg to Russia’s ...