Shock waves from Cold War era nuclear tests gave seismologists a glimpse of the inner core. Its wobbly rotation could explain phenomena such as the periodic change in the length of a day.
On the 75th anniversary of the Doomsday Clock, major threats against the world have not waned, say organizers.
A nuclear war would claim many lives from its direct impacts and cause rapid climate change that would further imperil humanity. Scientists can help shape policies to put us on a safer path.
Una sacudida al sistema climático provista por una guerra nuclear podría provocar un fenómeno de el Niño como nunca habíamos visto.
Nuclear bomb tests conducted during the Cold War turned an idyllic tropical isle into a radioactive ship graveyard.
A jolt to the climate system provided by nuclear war could spur an El Niño like we’ve never seen before.
The dual threats of nuclear warfare and climate change move the needle to 100 seconds to midnight.
Seafloor mapping has revealed a crater and several shipwrecks persisting 73 years after the world’s first underwater nuclear test.
The radioactive remains of nuclear testing during the Cold War and from nuclear disasters like Chernobyl are still with us and can be found in some of the remotest glaciers on Earth.
In the age of monitoring nuclear weapons testing, existing regional seismic networks may be a key to discovering small, undetected explosions around the world.