Deep in the Arctic Circle, in Russia, lies the deepest hole ever dug which was once called ... It has since been sealed off. Uli Harms is of the International Continental Scientific Drilling ...

The drilling began on May 24, 1970, in Russia’s Kola Peninsula ... create the deepest man made hole ever. Despite going so deep, the borehole was eventually sealed for various reasons, including ...

The two sides traded strikes overnight as the Trump administration worked to hammer out the details of a partial cease-fire.

didn’t notice the deep hole—a possible shell crater—in the tank’s path. As a surveillance drone from the Ukrainian 47th Mechanized Brigade watched, the Russian vehicle tipped into the hole.