New research attributes a shift to longer, stronger glacial cycles to increased friction between ice sheets and bedrock in the Northern Hemisphere 1 million years ago.
paleoclimatology & paleoceanography
Posted inNews
Ancient Eruptions Reveal Earliest Settlers on the Faroe Islands
Lake sediment is helping scientists resolve a decades-long historical mystery.
Posted inNews
Ancient Fish Thrived During a Period of Rapid Global Warming
Teeth and scales preserved in marine sediments suggest that fish thrived during one of Earth’s fastest-warming periods.
Posted inNews
The “Green Sahara” Left Behind Fossil Rivers
Reconstruction reveals how people living along the banks of the Nile may have relocated as climate changed and flooding increased during the African Humid Period.
Posted inNews
Inland Mangroves Are Relics of the Past’s Higher Sea Levels
Mangroves found in southern Mexico’s rain forest, 170 kilometers from the nearest ocean, date to a time when sea levels were several meters higher.
Posted inNews
Freshwater Mussel Shells May Retain Record of Alpine Snowpack
A new study explores a possible proxy for seasonal freshwater input that could elucidate changes in alpine snowpack as the planet warms.
Posted inResearch Spotlights
Cool Oasis for Cretaceous Feathered Dinosaurs
A new study found that the Jehol Biota had chilly temperatures and high altitudes when feathered dinosaurs roamed the slopes.
Posted inNews
Small Climate Changes Could Be Magnified by Natural Processes
A new study uses modeling techniques to uncover how small incidents of warming may be turned into hyperthermal events lasting thousands of years.
Posted inAGU News
Cutting to the Core
In our July issue, Eos looks at the collection, study, and storage of cores—from sediment drilled up from the age of the dinosaurs to tree rings as big as a house.
Posted inFeatures
Cores 3.0: Future-Proofing Earth Sciences’ Historical Records
Core libraries store a treasure trove of data about the planet’s past. What will it take to sustain their future?