Giant's Causeway in Northern Ireland features around 40,000 exposed polygonal columns of basalt in perfect horizontal sections. Chris Hill/Photodisc via Getty Images The reason patterns often appear ...

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 ...

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 ...

There has been a wave of articles over the last few weeks out on the geoblogosphere on columnar jointing in lavas – with many, many great images of columns seen aroundthe world. I thought I’d jump in ...

VANTAGE, Wash. — Walls of basalt, from the Royal Columns above the Tieton River west of Naches to the endless array on the Grant County bluffs overlooking the Columbia River, make Central Washington a ...