New evidence of ice volcanoes and of middle-aged terrains on Pluto's surface suggests that the dwarf planet has remained geologically active ever since it first formed billions of years ago.
planetary surfaces
Posted inResearch Spotlights
Curiosity Rover Finds Organic Molecules on Martian Surface
Scientists assess the present and past habitability of Mars from organic compounds detected at Gale Crater.
Posted inResearch Spotlights
What Formed These Curious Ripples on Mars?
Dunes, ridges, or something else? Scientists seek to understand the origins of transverse aeolian ridges.
Posted inScience Updates
The Importance of Dunes on a Variety of Planetary Surfaces
The Fourth International Planetary Dunes Workshop: Integrating Models, Remote Sensing, and Field Data; Boise, Idaho, 19–22 May 2015
Posted inNews
Comet Lander Makes a Hard Discovery
The Philae probe, dropped onto a comet by the Rosetta spacecraft, has made contact with a surface thought too hard to be on a comet and has detected a few organic molecules new to comet exploration.
Posted inNews
New Pluto Image Reveals Young Icy Plain
The mottled plain offers additional evidence that Pluto's surface is geologically young—and possibly still active.
Posted inNews
"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.
Posted inResearch Spotlights
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.
Posted inAGU News
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.
Posted inResearch Spotlights
"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.