What scientists thought was a sunken Greek city turns out to be the fossils of an ancient hydrocarbon seep from several million years ago.
carbonates
Posted inResearch Spotlights
Martian Carbonates Spotted by the Orbiter
The minerals identified by the Mars Reconnaissance Orbiter provide more evidence that the planet may have once been habitable.
Posted inResearch Spotlights
Cave "Breathing" Affects Mineral Growth and Climate Clues
A new global model suggests how and where air flow in caves affects the growth of cave mineral deposits that scientists use to reconstruct ancient climates.
Posted inScience Updates
Reading History From Afar
A look at the sedimentary record in northern Ethiopia tells the story of oceans past—and maybe future.