A cloud of dust traces the innermost planet’s orbital path. By all accounts, it shouldn’t be there.
craters
Posted inEditors' Highlights
Dust on Mars? The Answer, My Friend, is Blowin’ in the Wind
The first flights of a helicopter on another planet are used to study dust lifting and mobilization in Jezero Crater, Mars.
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.
Posted inNews
Impact Crater off the African Coast May Be Linked to Chicxulub
The underwater crater, spotted serendipitously in commercial observations of seafloor sediments, is believed to have formed at roughly the same time as the famous Cretaceous-Paleogene impact event.
Posted inEditors' Highlights
The Shape of Pits on the Moon
Three-dimensional reconstructions enable virtual exploration of pits on the Moon.
Posted inNews
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.
Posted inNews
Impact Structure Hidden Under Arctic Ice Dates to the Paleocene
Greenland’s Hiawatha impact structure, more than 30 kilometers in diameter, is much older than previously thought, new results suggest.
Posted inNews
A Giant Impact Triggered Earthquakes for Thousands of Years
When an asteroid struck South Africa during the Precambrian, earthquakes rocked the region for millennia as Earth’s crust reequilibrated, new research reveals.
Posted inNews
Ejecta Discovered Near Site of Ancient Meteorite Impact
South Africa’s Vredefort impact structure is the largest on the planet, and researchers have now discovered the first proximal ejecta possibly deriving from the cataclysmic impact.