While past attempts to define isotopic endmembers and assign them a geodynamic significance ended in controversy, a machine-learning clustering algorithm offers a solution to this classical problem.
unsolved mysteries
Posted inNews
A Mysterious Dome Reveals Clues to Australia’s Miocene History
The Nullarbor Plain has been relatively untouched by geological forces, leaving traces of the continent’s deep past.
Posted inNews
Billion-Year Rewind Tracks Supercontinents and Mantle Structures
Scientists have traced past pathways of tectonic plates back a billion years using computer models, with intriguing results. Incorporating geologic data as a check on model output, however, has proven tricky.
Posted inFeatures
Space Raindrops Splashing on Earth’s Magnetic Umbrella
Though not as damaging as extreme space weather events, showers of plasma jets hit Earth’s magnetic shield every day—yet we’re only beginning to understand their effects.
Posted inNews
Massive Stars May Commit Grand Theft Planet
New simulations show that planets around young, massive stars may have been captured or stolen rather than homegrown.
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 inNews
Un nuevo enfoque para un misterio sin resolver en la economía climática
¿Tienen los cambios de temperatura impactos económicos duraderos? Un truco “ingenioso” que identifica tendencias climáticas nos lleva un paso más cerca a abordar esta vieja pregunta en la economía climática.
Posted inENGAGE, News
Early Life Learned to Love Oxygen Long Before It Was Cool
Laboratory experiments show that earthquakes may have helped early life evolve in an oxygen-free world.
Posted inEditors' Highlights
Why Does It Rain So Much Over Tropical Land?
Analyses of observations show that tropical land receives more rain than its fair share, owing to a proposed negative feedback that is not captured in current climate models.
Posted inResearch Spotlights
New Map of Proposed Mantle-Driven Topography Stirs the Pot
The role the deep Earth plays in creating topography is hotly debated. A new study uses subtle elevation changes around the globe as evidence that the mantle plays a key role in building topography.