Soviet scientists embarked on an ambitious project to drill as deep as possible into the Earth’s crust. The result was the Kola Superdeep Borehole, located in the remote Pechengsky District of ...

The Kola Superdeep Borehole, although only 9 inches in diameter, holds the distinction of being the deepest hole, plunging to ... delving deeper than any other man-made structure.

America might have landed on the moon, but Russia drilled the deepest man-made hole on Earth. Since the early 1960s, scientists have attempted to drill down to the Earth's mantle. It took 20 years ...

It's currently the deepest man-made hole on Earth, reaching a dizzying 40,230 feet below ground. The Kola Superdeep Borehole is locked away beneath a rusty lidCredit: Rakot13/CC BY-SA 3.0 This ...

An curved arrow pointing right. A hole in Earth's ozone layer created by man-made substances could be healed by the 2050s. Produced by Noah Friedman. Original reporting by Jessica Orwig.

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. A group of researchers recently simulated the event horizon of a man-made black hole in ...

Dubai resident Hamish Harding on Friday pulled off what could be one of the world’s most daring feats: He dived into the Earth’s deepest — and perhaps most alien — realm, the Mariana Trench.