High-resolution photos of lava flows on Mars reveal coiling spiral patterns that resemble snail or nautilus shells. Such patterns have been found in a few locations on Earth, but never before on Mars.

20 May 2021. Fjóla Guðrún Sigtryggsdóttir is shown studying the lava field upstream of the dams, with the Fagradalsfjall volcano in the background. It had been dormant for 800 years, but in March 2021 ...

HONOLULU — Hawaii’s Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater floor. It was Kilauea’s 31st display of molten ...