A digital rendering of the Gate to Hell, aka Pluto’s Gate. According to Discovery, “Pilgrims watched the sacred rites on the steps, took the waters in the pool, slept not too far from the cave and ...

“Hell on Earth” might not just be an exaggeration. Scattered about the globe are various locations that scientists believe could be entrances to the underworld, ranging from a volcanic “hellhole” in ...

During an international conference on hydrocarbon resources in Turkmenistan’s capital Ashgabat earlier this month, Irina Luryeva, head of the scientific research institute at the state-owned energy ...