Pluto’s bizarre polygons now have a science explanation

Pluto composite

A composite image of Pluto created using data from NASA’s New Horizons mission. (Image credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute)

Pluto is geologically alive.

Bizarre geometric shapes first spotted on the dwarf planet’s surface in 2015 are indications that a process called sublimation is ongoing, a new study suggests.