It's not only nuclear bomb tests that disrupt the atmosphere, there are a number of natural events that can do the same. But how long does any damage last?
Hundreds of nuclear weapons have been tested by the U.S. since WWII, but newer science has replaced the need for live detonations.
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Seventy-five years after the first nuclear detonation and nearly 30 years since testing was banned, the US is considering resuming live nuclear testing.
Two ABC television premieres – both about the mid-century British nuclear testing at Maralinga in regional South Australia – approach tricky territory in very different ways.
Lerwick in Shetland, off the north coast of Scotland, received more rainfall than normal as a result of nuclear testing.
Finding could be useful for attempts to manipulate the weather using technology.
United States Department of Defense/Wikimedia
The findings will help determine the age of whale sharks, protecting the endangered animals into the future.
Kuleshov Oleg / shutterstock
Russia appears to have developed a revolutionary mini-reactor able to power a missile.
Kyung Muk Lim/Shutterstock.com
The British nuclear weapon tests on Kiritimati (or Christmas) Island had profound and lasting cultural consequences for both atomic veterans and local islanders.
Pedestrians in Tokyo pass a television screen broadcasting a report on May 4, 2019 that North Korea has fired several unidentified short-range projectiles into the sea off its eastern coast.
AP Photo/Koji Sasahara
North Korea is a major military threat to the US and its Asian allies, but exactly how powerful are its nuclear weapons? An earth scientist explains why it's hard to answer this question.
A 2015 tour of an entryway into the proposed Yucca Mountain nuclear waste repository.
AP Photo/John Locher
If recent history repeats itself, the proposed repository for extremely dangerous nuclear waste will stay dead.
Earthquakes can shape political decisions so understanding them is crucial.
Nuclear bomb tests potentially mark the start of a new geological epoch: the Anthropocene.
A detection station for seismic activity at Bilibion, a remote corner of Russia.
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Human-induced earthquakes have been reported from every continent except Antarctica. We asked a geologist to investigate whether North Korea's nuclear tests could trigger geological changes.
Given what we know about radiation fallout, the parallels between Melbourne and Fukushima should not be ignored
North Korean soldiers participate in a target-striking contest in August this year.
North Korea's legitimacy derives almost wholly from its subjects’ perception of perfect strength and resolve. This makes it harder for Pyongyang to back down.
Chinese leader Xi Jinping speaks at the BRICS summit in Xiamen.
China is probably no more fond of the North Korean regime than the Americans are, but it is walking a fine line between managing both nations and ensuring its own continued rise.
Boeing WC-135 Constant Phoenix “sniffer plane” used to monitor radioactive emissions from nuclear bomb tests.
US Air Force/Staff Sgt. Christopher Boitz
Want to know if a rogue state has performed a nuclear test? Sniffer planes can help.
Back with a bang.
Pyongyang's latest test isn't the great leap forward it purports to be.
People watch news of missile test on a public TV screen in North Korea.
AP Photo/Jon Chol Jin
North and South Korea explained in four questions and answers.
North Korean leader Kim Jung-un inspects an outpost and Jangjedo defending force.
REUTERS/North Korea's Korean Central News Agency (KCNA)
A scholar who has profiled the likes of Saddam Hussein and Vladimir Putin says there is a method to understanding the madness.
North Korean cyberattacks may increase as the country comes under greater international pressure.
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The international community – and the U.S. and China in particular – should give serious thought to what might be North Korea's cyberattack equivalent of a nuclear weapons test.