Independent ground-based observations of the Moon confirm prior spacecraft observations that hydration at the lunar surface varies with temperature.
Composition
Posted inNews
Looking Back at Our Pale Blue Dot
Astronomers model changes in Earth’s chemical signature over the past 4 billion years to improve the search for Earth-like exoplanets.
Posted inResearch Spotlights
Detecting Carbonates on the Surface of Mars
A new study shows how a warm, wet climate weathered rocks on early Mars.
Posted inResearch Spotlights
How Do Intergranular Particles Affect the Flow of Ice?
Laboratory experiments that indicate rock particles can impede sliding along grain boundaries in ice may help researchers more accurately determine the composition of planetary ice masses.
Posted inResearch Spotlights
New Hints About How Martian Moons Formed
A new study finds that Phobos includes chunks of Martian crust.
Posted inEditors' Vox
Insights into the Habitability of Mars
NASA’s Curiosity rover explored the Kimberley region of Mars to search for signs that the planet was once habitable.
Posted inResearch Spotlights
Unprecedented Views of Mercury Constrain Hollow Formation
The consistently shallow depths of the depressions scattered across Mercury's surface suggest their morphology is not determined by the thickness of a volatile-rich outer layer.
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How Do Gullies Form on Mars?
New orbiter data support an important role for seasonal frost—not liquid water—in the formation of Martian gullies.
Posted inResearch Spotlights
Curiosity Sends Curious Water Data from Mars
The rover's neutron spectroscopy instrument hints at an unexpected trend: The upper soil levels in the layers of Gale Crater's Kimberley formation seem to hold more water-associated hydrogen.
Posted inResearch Spotlights
Demystifying Mercury "Hollows"
Spectral data from NASA's MESSENGER spacecraft indicate that the properties of the depressions on Mercury's surface can vary within a single crater and that these differences may correlate to age.