These carefully-patterned rock arrangements look like something out of a meditation garden, or environmental art. But they are actually the product of simple computer algorithms expressed through a 3D ...

Enormous polygon patterns in rock lie dozens of meters below Mars’ surface, ground-penetrating radar data suggest. Similar patterns develop on the surface in Earth’s polar regions when icy sediments ...

PASADENA, Calif. — Climate cycles persisting for millions of years on ancient Mars left a record of rhythmic patterns in thick stacks of sedimentary rock layers, revealed in three-dimensional detail ...

NASA’s Curiosity rover has detected more than 20 diverse organic molecules in 3.5‑billion‑year‑old rocks at Gale Crater using ...