Huge, dark pillars of stone rise from the dirt. They are perfectly hexagonal. They stand shoulder-to-shoulder like a terracotta army of frozen lava. They look like someone perfectly sculpted them, but ...

Sometimes natural processes can create surprisingly complex and regular patterns, fooling some into thinking they discovered the artifacts of a lost civilization. One striking example of such ...

This collection of basalt columns was recorded in a canyon north of Molokai, at a depth of just over a mile, according to Nautilus Live Ocean Exploration Trust. YouTube video screengrab Newly recorded ...

Craic on: was the Giant's Causeway formed by collective cracking? The formation of the spectacular hexagonal stone columns at Ireland’s Giant’s Causeway and similar structures around the world can be ...