Scientists are working to shed new light on an enduring climate mystery—one that, if solved, could help them make more ...

Evidence from hafnium and oxygen isotopes hidden in crystals shows the ... erasing the record of a billion years in one glacial sweep. 'Earth's hidden ocean': Tethys Seaway was the force behind ...

Glacial weathering is a ... Periodic fluctuations in C and U isotopes are attributed to internal feedbacks in the coupled carbon-phosphorus-oxygen system after the end Permian mass extinction.