This Cold War outpost concealed more than submarines—it hosted a devastating eruption that cooled the planet nearly 200 years ago. Reading time 2 minutes Scientists have finally solved a 200-year-old ...
Nearly two hundred years ago, an event so rare occurred that even the phrase “once in a blue moon” doesn’t quite describe it. The thing is, the Sun turned blue in the sky. The effect of the blue, ...
In the summer of 1831, an enormous volcanic eruption spewed sulfur gas into Earth’s atmosphere. The particles scattered sunlight, making our star appear green, purple and blue. Its rays struggled to ...
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