This Cold War outpost concealed more than submarines—it hosted a devastating eruption that cooled the planet nearly 200 years ...

The search spanned continents, but no known volcano fits in the picture. Until now. In a stunning revelation, a team of ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An unknown volcano ...

A 2024 satellite photo shows four end-to-end volcanoes perfectly spaced out along the Russian island of Simushir. One of ...

The 1831 “mystery eruption” that caused global cooling and famines has been traced to the Zavaritskii volcano on Simushir Island in the Kuril Islands. Researchers matched ash in polar ice cores to the ...

Zavaritskii volcano in the Kuril Islands — a former Soviet nuclear submarine base — was responsible for the mysterious 1831 volcanic eruption that cooled the climate and turned the sun ...

THE location of a mystery volcano that caused "devastating famines" nearly 200 years ago has finally been found, scientists say. A massive eruption that took place in 1831 flooded the atmosphere ...

An unknown volcano erupted so explosively in 1831 that it cooled Earth’s climate. Now, nearly 200 years later, scientists have identified the “mystery volcano.” The eruption was one of the ...