Visitors to the coast of Northern Ireland have always marveled at the so-called Giant’s Causeway — a field of some 40,000 interlocking basalt columns arranged in a tidy hexagonal pattern. German ...

To generate the needed nanometre-scale pattern, we strive to avoid a serial process such as electron beam lithography. Instead, we take advantage of the same interfacial orientation effects that ...

A mixture of two types of pigment-producing cells undergoes diffusiophoretic transport to self-assemble into a hexagonal pattern. Credit: Siamak Mirfendereski and Ankur Gupta/CU Boulder A zebra’s ...

Hexagonal formations on Mars are record-keepers of its ancient wet environment — and may reveal if Earth’s neighbor could have ever supported microbial life. These polygons hint at a critical ...