Experience: I won the world’s deepest underground marathon

I tried not to think about the 1,300 metres of solid rock over my head ...

10 Deepest rivers in the world ranked: From the Congo’s 250m depths to the Mississippi river

Rivers create landforms, foster biodiversity, and provide sustenance to humanity; however, little attention is paid to their ...
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World's deepest gold mine reaches 4 km, it takes miners 3 hours to reach down to work area, produces 8,000 kg of gold annually; it is…

New Delhi: Ever since the human race got involved in trade and commerce, it started to comprehend the nuances of the commerce sector. With time, it only grew, and today, this sector keeps the world's ...
Yahoo

Scientists discover world's deepest underwater sinkhole: 'Its bottom [is] still not reached'

The world's deepest underwater sinkhole in the waters of Chetumal Bay between Mexico and Belize remains shrouded in mystery after researchers reported they have yet to determine its full depth.
Scientific American

The world’s deepest sensors will detect earthquakes around the world from far below Antarctica

The world’s deepest sensors will detect earthquakes around the world from far below Antarctica Here’s how scientists drilled ...