The mottled plain offers additional evidence that Pluto's surface is geologically young—and possibly still active.
planetary surfaces
"Amazing" Activity Evident on Pluto's Surface
Scientists struggle to explain perplexing features revealed by the first close-up of the icy body's surface.
Water Beneath the Surface of Mars, Bound Up in Sulfates
Researchers present maps of hydrogen and sulfur that hint at water locked in hydrous sulfates in Mars's southern hemispheric soil.
Neish Receives 2014 Ronald Greeley Early Career Award in Planetary Science
Catherine Neish received the 2014 Ronald Greeley Early Career Award in Planetary Science at the 2014 American Geophysical Union Fall Meeting, held 15–19 December in San Francisco, Calif. The award recognizes significant early career contributions to planetary science.
"Knobby Terrain" a Sign of Mars's Explosive Past
Newly identified knobby terrain related to ancient volcanoes on Mars hint that pyroclastic ash and rock flowed down slopes early in the red planet's history.
Manganese Deposits on Mars Suggest a Highly Oxidized Past
Data from the Curiosity rover suggest that the surface of Mars has experienced more strongly oxidizing conditions than previously thought.