"It was as if someone my size had caught fire and walked through me."
Doomsday Clock scientist Dr. Lawrence Krauss says as long as we possess nuclear weapons, it's 'unavoidable.'
The "Doomsday Clock" is now set 30 seconds closer to midnight.
Kim Jong-un’s regime has repeatedly made a mockery of international sanctions designed to stop the country’s development of nuclear weapons.
The nuclear arms race displaced 167 Marshallese as refugees in their own country, and today the fallout still persists.
The US President laid a wreath at a memorial, talked about nuclear disarmament, and spoke with survivors, marking the first visit of an incumbent president to the site of the world's first atomic bombing.
The bombing of Hiroshima was the first time that a nuclear weapon was ever used in war, and it killed between 60,000 and 80,000 people instantly.
Did they really have a successful hydrogen bomb test? Can they really miniaturise their bombs and attach them to rockets? Or is it all just empty bragging?
North Korea’s claim that it successfully detonated a hydrogen bomb has been met with widespread skepticism, but there are reasons to believe Pyongyang.
Polish Artist Piotr Uklanski's lesser known art.