New, Insanely High-Resolution Pluto Images Include More Color—and Weird "Snakeskin" Textures

A fresh batch of images straight from the New Horizons downlink give us just what we’ve been waiting for: color views of Pluto! Ridiculously high resolution detail! Strange new snakeskin textures! Plus a first look at how methane is involved in shaping these crazy ice landscapes. »9/24/15 6:08pm9/24/15 6:08pm

Charon Poses a Geomorphic Riddle: How do You Make a Mountain in a Moat? 

Hi, Charon! What’s that? You’re jealous that Pluto broke the brains of geophysicists worldwide yesterday, and want attention? Fine, let’s see what you look like up close! Beautiful craters, lovely smooth plains, a few cool linear features... Wait a minute, is that a mountain in a moat? How did you create that?! »7/16/15 5:50pm7/16/15 5:50pm

It's Open Season on Interpreting the Geology of Pluto and Charon

At less than a million miles from Pluto leading up to closest approach flyby on Tuesday, the New Horizons probe is sending back outright spectacular images of the dwarf planet and its largest moon. Every batch of best-ever images sparks speculation on what geology underlays the features on these distant, rocky worlds. »7/13/15 2:41am7/13/15 2:41am

10 Geological Forms We've Studied For Years And Still Don't Understand

Geology is full of strange mysteries, from towering structures to small formations. The more we examine these deceptively complicated phenomena, the less we understand their origins and the processes that created them. Here are 10 geological forms that we still don't understand, even after years of careful study. »4/07/15 1:20pm4/07/15 1:20pm