Hydrogen released during large impacts might have boosted Mars’s surface temperature above freezing for thousands or even millions of years, enabling liquid water to flow over the Red Planet.
planetary surfaces
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Active Volcanoes on Venus?
With a new look at old imagery, scientists may have found evidence of volcanic activity on Venus.
Posted inResearch Spotlights
Lagos longevos cuentan una historia sobre el agua en Marte
Imágenes de alta resolución de paleolagos recientemente descubiertos en Marte demuestran un período de su historia con flujo de agua constante.
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Meteor Impact Could Inform Martian Mysteries
The impact sent surface waves rippling over the Martian surface all the way to NASA’s InSight lander, giving scientists a rare view of the planet’s outer layer.
Posted inResearch Spotlights
Long-Lived Lakes Reveal a History of Water on Mars
High-resolution imagery of newly discovered paleolakes shows a period of consistent liquid water flow.
Posted inResearch Spotlights
Europa’s Plate Tectonic Activity Is Unlike Earth’s
The moon of Jupiter has likely experienced intermittent, regional plate tectonic activity in the past, although the plates are currently dormant.
Posted inResearch Spotlights
MESSENGER Reveals a More Dynamic Mercury Surface
Image pairs indicate that 99% of the planet’s surface could be altered in the next 25 million years.
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Unraveling the Mystery of a Rare Mineral on Mars
The discovery of tridymite in Mars’s Gale Crater triggered debate about the rare mineral’s origins. A research team recently suggested a scenario with explosive implications.
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Moon’s Porosity Changes Cratering History, Study Says
Gravity field measurements from decade-old lunar orbiter provide a proxy for counting craters.
Posted inEditors' Highlights
An Impact Basin Thermometer for the Moon
Large impact basins on the near side of the Moon lack the annulus of thickened crust that far-side basins have. The difference can be linked to the thermal structure of the lunar crust.