Patriarch Kirill, the head of the Russian Orthodox Church, warned that "forces outside of Russia" are trying to destabilize the country, Ukraine, and Belarus.
U.K. Foreign Secretary James Cleverly warned Russia of "severe consequences" if they decide to use nuclear weapons against Ukraine.
Putin calls up reservists, warns Russia will use 'all means' for defense
The U.S. and Iran launched talks in 2021 to renew a now-defunct political deal that would curb Iran's nuclear program.
Ukrainian President Volodymyr Zelensky also stressed it would be impossible to stop the spread of radiation once it gets carried by the wind.
North Korea exhibited the biggest display of weaponry since Kim Jong Un was in power.
According to the United Nations (UN), there have been over 2,000 nuclear weapons testing since 1945.
The UN Treaty on the Prohibition of Nuclear Weapons (TPNW) aims to put a comprehensive and categorical ban on nuclear weapons. It binds signatories not to develop, test, produce, acquire, have control of, use or threaten to use nuclear weapons.
Nagasaki marks 75 years since atomic bombing
Japan court recognises more Hiroshima bomb survivors
North Korea is being accused of breaching its annual import limit of 500,000 barrels of refined petroleum products a year, with Russia and China the main nations conducting deliveries to the isolated Asian nation.
A video was able to capture the bright flash produced by a possible meteor explosion in the U.S.
US scientists urge government to renounce nuclear tests
China says would join nuclear talks if US reduces arsenal
US, Russia divided over Chinese role in nuclear talks
A study revealed that a fireball that produced a powerful explosion mid-air might have destroyed one of the first known farming villages in the world. The authors of the study based their claims on various samples taken from an excavation site.
US and Russia to resume nuclear talks, but China casts cloud
A small asteroid that hit Earth was captured on video as it turned into a bright fireball.
Nine nuclear powers spent a record $73 billion in nuclear arms last year.
Several photos and videos taken from different parts of Europe showed a bright fireball streaking across the sky and lighting up the region. Based on the appearance of the fireball, it was most likely caused by an asteroid that burned up shortly after entering Earth’s atmosphere.
Residents from various states in the U.S. spotted a bright fireball streaking across the night sky.
Iran could be stockpiling nuclear material as a defensive strategy, amid tensions with the United States.