Add Yahoo as a preferred source to see more of our stories on Google. When scientists with the National Center for Wildlife in Saudi Arabia were surveying caves in search of wildlife in 2022 and 2023, they came across something unexpected: seven naturally mummified cheetahs in five caves near the northern city of Arar.

Add Yahoo as a preferred source to see more of our stories on Google. Here's what you'll learn when you read this story: On April 26, 1986, disaster struck the small Ukrainian-Belarusian border town of Chernobyl, (then part of the Soviet Union) when a series of steam explosions led to a nuclear meltdown.

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