"The aim of the enemy's actions is to cause panic among the population to destabilize the internal situation," one Ukrainian official said.
"I still hope that outright foolishness will not be committed," an FSB whistleblower said in an email shared with Newsweek.
Putin's fear of death will ultimately prevent him from pushing the "red button," an FSB whistleblower wrote in an email shared with Newsweek.
A number of islands had to be evacuated after a 1954 U.S. nuclear weapons test.
Both events show the star releasing huge amounts of energy.
Researchers at the National Ignition Facility were measuring the kinetic energy of ions during their experiment when they saw something unexpected.
U.S. officials suspect the Russian navy has attempted to test its Poseidon nuclear-powered torpedo.
Putin's bunker is thought to be deep beneath Mount Yamantau, around 230 miles from the site of the third worst nuclear disaster in history
Fears about the use of atomic weapons by Russian President Vladimir Putin continue to grow.
An article in the publication "Military Thought" said NATO and the U.S. are looking at "preemptive forceful actions" against Russia.
Tigran Keosayan told NTV that if there was British involvement in leaks of the Nord Stream pipelines, Russians would want a "retaliatory response."
"Putin has committed a number of absolutely illogical, senseless bloody acts toward Ukraine already," Ukrainian MP Halyna Yanchenko told Newsweek.
The unknown structure is being built at one of the seven nuclear installations at the Zaporizhzhia Nuclear Power Plant, Ukrainian officials said.
The head of Kyiv's regional military administration said in an interview published Tuesday that the shelters are placed through the region in northern Ukraine.
Special Envoy to Iran Robert Malley said that a military option will not be ruled out as a last resort as the Biden administration pursues diplomatic options.
The Institute for the Study of War (ISW) made the forecast in its daily update on the conflict on Monday.
Most Americans think Moscow using a nuclear weapon against Ukraine is either "realistic" or "very realistic."
The upgraded bombs will be delivered to NATO allies' bases in Europe in December, months before what was originally planned.
If the U.S. is hit by a nuclear strike, the president could order a retaliation from his Doomsday Plane.
Most Americans think overthrowing Putin is a "reasonable objective," according to a Newsweek poll.
While experts disagree as to whether Putin's claims are indicative of plans to detonate a dirty bomb himself, they agree it's part of his broader war strategy.
According to Kyiv, Russia could sabotage the Zaporizhzhia Nuclear Power Plant and risk a nuclear disaster.
Russian construction companies say they are receiving more calls from citizens who are asking for bunkers to be built in their homes.
A graphic shared by Russia's Ministry of Defence alleges the development of a Ukrainian "dirty bomb," aiding a baseless narrative being pushed by the Kremlin.
Nuclear weapons could be stationed in Finland if the country joins NATO, according to a Finnish newspaper.
Vladimir Putin has recently raised the stakes in the war in Ukraine that began after he launched a full-scale invasion on February 24.
"Grom"—which means "thunder"—could potentially include test launches of nuclear missiles.