Four new craters have been spotted by scientists in the Yamal peninsula, in Siberia May be caused by gas from underground and fear craters becoming more .\r
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New unexplained holes have appeared in Siberia following the mystery over a giant crater on the Yamal Peninsula. A second is in the same permafrost region of .\r
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Satellite images have revealed four new craters have appeared in the Yamal peninsula close to a major gas plant, leading experts to call for an urgent .\r
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Russian scientists have now discovered seven giant craters in remote Siberia, a geologist told AFP on Thursday, adding .