Laboratory experiments re-create the thin, icy pedestals that support some rocks in nature, revealing that sublimation plays a key role in the formation of these rare and beautiful structures.
Ice
Posted inEditors' Highlights
Ice on a Deadline: More Stress Makes Ice Move Faster
Anyone seeing photographs of glacier and ice sheets from above clearly sees that they flow; recent laboratory tests on ice further reveal the conditions that control just how fast this happens.
Posted inEditors' Highlights
Evidence of Crevasses Transporting Heat Deep into Greenland Ice
Crevasses are a feature of ice sheets but how deep they extend has been a mystery. Now crevasse traces have been visually identified to 265 meters in a borehole in a fast-moving outlet glacier.
Posted inEditors' Vox
Antarctica in a Changing Climate
The impacts of the Antarctic Ice Sheet response to climate change will have global consequences for millions living near the coast. It’s just a matter of when.
Posted inNews
Antarctic Ice Cores Might Be Older Than Dirt
Using cosmogenic nuclide dating, scientists determined a 10-meter core just below the surface to be over a million years old.
Posted inEditors' Vox
Ceres: Evolution of the Asteroid Belt’s Icy Giant
A new special collection in JGR: Planets explores how ice has played a key role in the development of the landscape on the surface of Ceres.
Posted inResearch Spotlights
How Long Can Celestial Bodies Retain Ice?
A new model suggests that many objects in the outer asteroid belt may still harbor deposits that formed around the time of their accretion.
Posted inNews
Watch Tiny Cracks Travel in 3-D
Scientists used a transparent gel and high-speed photography to figure out how cracks form and spread. What they found could help explain earthquakes and fracturing glaciers.
Posted inNews
Meet IceWorm: NASA’s New Ice-Climbing Robot
A robot that can inch up icy surfaces may help scientists reach new heights in some of Earth’s most dangerous and remote landscapes.
Posted inNews
Huge Blades of Ice May Partially Cover Jupiter’s Moon Europa
Conditions are right for “penitentes” up to 15 meters high to form on the Jovian moon, new research shows. The spires might prevent a lander from exploring Europa’s equatorial region.