Terrestrial meander migration rates are used to estimate a formation timescale of decades for Jezero delta on Mars.
paleoclimatology & paleoceanography
Posted inResearch Spotlights
How Mars’s Magnetic Field Let Its Atmosphere Slip Away
A planet’s magnetic field usually protects its atmosphere from being blown away by its star. But new research suggests Mars’s weak magnetic field may have helped its atmosphere escape.
Posted inNews
Armageddon at 10,000 BCE
Fragments of a comet likely hit Earth 12,800 years ago, and a little Paleolithic village in Syria might have suffered the impact.
Posted inNews
Past Seasons Hidden Underground
Belgian paleoclimatologists study a fast-growing stalagmite to glean insight into seasonal climate from centuries past.
Posted inEditors' Highlights
The Overlooked Role of Sulfur Dioxide Emissions from Volcanoes
Volcanoes can warm as much as they cool. Prior simulations have neglected the important warming effects of sulfur dioxide emissions, making some results colder than they should be.
Posted inNews
New England Forests Were Historically Shaped by Climate, Not People
A first-of-its-kind study combining paleoecology and archeology indicates that the New England landscape was not actively managed with fire prior to European arrival.
Posted inNews
Sediments May Support the Mediterranean Megaflood Hypothesis
Millions of years ago, the Mediterranean Sea may have evaporated. A newly identified body of sediments could have been deposited by the giant flood that refilled the basin.
Posted inNews
Dust in the Atmosphere May Have Fertilized the Ancient Ocean
New research investigates dust’s role in primary production during the Carboniferous and Permian periods.
Posted inNews
An Ice Sheet’s Footprint on Ancient Shorelines
Researchers combine observations of ancient shorelines and properties of Earth’s crust to infer the size of the Laurentide Ice Sheet during the last glacial cycle.
Posted inNews
Megadrought Helped Topple the Assyrian Empire
Paleoclimate records shed light on the ancient civilization’s meteoric rise and catastrophic collapse.