Western officials question whether India has taken adequate precautions to safeguard its nuclear facilities.
The clock measures how close humanity is to imminent disaster.
The former shadow attorney general is the fourth minister to resign since a controversial reshuffle.
The International Atomic Energy Agency found no credible sign of weapons-related work beyond 2009.
Pakistan’s twin, Bangladesh, chose a different, more prosperous and healthy path.
But the president said Pyongyang needed to show it was serious about abandoning nuclear weapons.
Pope Francis' opposition to nuclear weapons, among other things, may have boosted his chances.
The country is believed to be working toward developing an intercontinental ballistic missile that can hit targets in the mainland U.S..
The increase in uranium production could be used to expand its stockpile of nuclear weapons, an expert suggested.
This risk of nukes being used is now real and, since Vladimir Putin’s threats, has significantly increased.
A foreign ministry official says the country has such a right, but no plans to do so at this time.
Russia has been carrying out frequent tests and drills of its nuclear capabilities since pulling out of an inspection agreement with the U.S.
The Russian president has condemned US-backed sanctions on his country, warning about the threat of a fall-out between nuclear powers
The specter of nuclear mushroom clouds rising over northeast Asia has long been a staple of nightmare scenarios in the event of another war between North and South Korea. In a memoir published last week, however, former CIA chief and Defense Secretary Leon Panetta reopened the prickly issue.
Russia successfully tested a new submarine-launched missile, which can deliver a nuclear strike with up to 100 times the force of the atomic blast that hit Hiroshima
The U.N. nuclear watchdog said it has seen releases of steam and water indicating that North Korea may be operating a reactor
Valeriy Heletey said Russia had made the threat several times through unofficial channels, while Vladmir Putin reportedly told the EU President he could "take Kiev in two weeks”
The Pacific islanders are suing the U.S. and eight other nuclear nations in pursuit of world peace
Iran has acted to eliminate virtually all of its most sensitive stockpile of enriched uranium gas under a landmark nuclear deal with six world powers last year, an IAEA report says
With nuclear talks beginning in Europe, Secretary of State John Kerry called attention to how quickly Iran could produce fuel for an atomic bomb