Decades-old data analyzed for the first time suggest that astronauts’ disturbance of the Moon surface increased solar heat intake, warming the ground below.
unsolved mysteries
Posted inResearch Spotlights
Mysterious Aurora Borealis Feature Explained for the First Time
High-speed particles cause indentations in the magnetopause to form “throat auroras.”
Posted inNews
Fresh Take on a Gold Treasure’s Origins Using Geochemistry
Blending geoscience and archaeology, researchers apply a new technique to pinpoint where ancient and unique gold artifacts were crafted.
Posted inEditors' Vox
Multiple Choices Exist for Changing Ocean Oxygen Concentrations
Widespread declines in ocean oxygen concentrations are now being reported with authors offering quite different explanations. Which ones are correct?
Posted inResearch Spotlights
Shedding Light on the Southern Ocean Carbon Sink
One of the world’s largest carbon sinks is still poorly understood.
Posted inNews
Erasing a Billion Years of Geologic Time Across the Globe
The Great Unconformity—a huge time gap in the rock record—may have been triggered by the uplift of an ancient supercontinent, say researchers using a novel method for dating rocks.
Posted inResearch Spotlights
Reckoning with Climate’s Most Challenging Questions
Climate researchers outline a vision for the future of climate observations.
Posted inResearch Spotlights
Accounting for the Missing Silica in the Marine Sediment Cycle
Cosmogenic silicon-based estimates of the amount of biogenic silica stored in clays along continental margins could explain the large discrepancy in the nutrient’s global marine budget.
Posted inNews
Modern Chemicals from Mystery Source Taint Fish in Utah Lake
Utah Lake’s fish contain high levels of a potential carcinogen. Could removing some bottom-feeders reduce this contamination?
Posted inResearch Spotlights
Resolving a Mystery of the Ages
High-precision radiometric dates shed new light on the puzzling 600,000-year disparity in the timing of one of Earth’s most pivotal timescale boundaries.