MACKINAW CITY, Mich. (AP) — Images from an underwater vehicle seem to reveal stone patterns on the bottom of the Straits of Mackinac in northern Michigan, possible evidence of Native American ...

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 ...

Some of the most breathtaking zen garden patterns on the planet owe their existence to an unlikely artist: thousands of tiny "ice needles." From swirls to circles to orderly rows, each delicate design ...

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 ...