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 ...

Scientists have dug the deepest hole ever in rock from Earth's mantle, drilling more than 4,160 feet in the North Atlantic ocean. The team of researchers used an ocean drilling vessel to dig into ...

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 ...

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 the deepest hole that humans have dug by hand ... the end of the crust and another 21 million ft to the center of the Earth. Better get digging!

The Indian Ocean "gravity hole" is Earth's deepest geoid low. Its weak gravitational pull makes sea levels here 348 feet lower than average, creating a 1.2-million-square-mile anomaly southwest of ...

SDDSC150 - the deepest hole at Christina - delivered 1.7 m ... the main host extends between the side rails deep into the earth, with multiple cross-cutting vein sets that host the gold forming ...