A MYSTERY over a carved Roman stone that has puzzled experts for decades may have finally been solved – by AI. The rounded hunk of limestone has a strange pattern carved into the top that dates ...

Labyrinths of stones form in cold landscapes when water freezes into ice needles that push pebbles to one side. Overtime, the rising and falling of ice needles move the pebbles into intricate ...

Strange, regularly repeating stone patterns that sometimes form in cold settings are generated by needles of ice that push soil particles and stones slowly around. This is the conclusion of an ...

Neat rings, stripes and swirls embellish many cold, rocky landscapes. Although these beautiful stone patterns look like humanmade artwork, they’re all natural. Scientists have long known that such ...