The Kola Superdeep Borehole became the deepest vertical hole made by humans, but depth was only a means to a scientific end.

The world’s deepest swimming pool is Deep Dive Dubai in the United Arab Emirates. The pool is 60 meters deep and filled with ...

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.

Depth is the least visible thing about a lake, and the numbers behind it are strange: some basins go down more than a mile, ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers drilled 8,000 feet into South Pole ice to install two seismometers. On the surface, Antarctica's vast ice sheet ...

Deep below the ocean surface, at roughly the depth of 130 five-story buildings stacked end to end, a robot has unfurled a protest sign that reads: “LISTEN TO THE SCIENCE!” A Greenpeace remotely ...