Faint magnetic properties in primitive asteroid fragments suggest an early magnetic field strong enough to shepherd the growth of the outer planets.
meteors & meteorites
Posted inNews
Meteorite Sheds Light on the Moon’s Impact History
Analysis has revealed the South Pole–Aitken basin is significantly older than other impact basins on the Moon, a finding that has implications for the evolution of the early solar system.
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Martian Meteorite Points to Ancient Hydrothermal Activity
The Red Planet had water—in the form of a hydrothermal system—4.45 billion years ago, new analyses of a Martian meteorite suggest.
Posted inFeatures
El pasado, presente y futuro de traer muestras extraterrestres
La obtención de muestras de cuerpos distantes del sistema solar ha revolucionado nuestra comprensión del cosmos y del lugar que ocupamos en él.
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A Close Asteroid Encounter May Have Once Given Earth a Ring
An unusual concentration of impact craters suggests that they may have been caused by the breakup of an asteroid that created a temporary debris ring around Earth.
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These Five Craters May Have Birthed a Third of Martian Meteorites
Researchers have homed in on five craters on the Red Planet that are the likely sources of Martian meteorites.
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The Origin of the Moon’s Thin Atmosphere Might Be Tiny Impacts
Minuscule meteoroids slamming into the lunar surface could be kicking up most of the atoms that make up the lunar exosphere.
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Parts of Mars Might Be Younger Than We Thought
Data from InSight’s seismometer suggest more impactors strike the Red Planet than expected.
Posted inFeatures
The Past, Present, and Future of Extraterrestrial Sample Return
Retrieving samples from distant solar system bodies has revolutionized our understanding of the cosmos and our place in it.
Posted inNews
A Splashy Meteorite Was Forged in Multiple Collisions
The Winchcombe meteorite was recovered, largely from a driveway, just hours after it fell to Earth, preserving evidence that its early relatives could have filled Earth’s oceans.