Search results for geochronology

Astronomy Apr 8, 2024

The sun was born when a dense gas cloud collapsed 4.6 billion years ago

While the upcoming total solar eclipse is a special moment to reflect on our place in the universe, scientists have been studying the birth of the sun and the formation of our solar system for a long time.

Earth Sciences Feb 26, 2024

New discovery suggests significant glacial retreat in West Antarctica began in 1940s

Among the vast expanse of Antarctica lies the Thwaites Glacier, the world's widest glacier measuring about 80 miles on the western edge of the continent. Despite its size, the massive landform is losing about 50 billion tons ...

Earth Sciences Dec 19, 2023

Mollusks from polar expeditions reveal new details about the ocean

In the early hours of 30 October 1961, a Russian bomber took off and flew north. The plane was headed for the Novaya Zemlya archipelago in the Russian part of the Arctic. When the pilot saw the islands far below, he released ...

Earth Sciences Dec 12, 2023

Long dormant volcanoes can erupt rapidly and explosively, says Ciomadul study

Can a volcano erupt after tens of thousands of years of dormancy? If so, how can this be explained and what makes volcanic eruptions more dangerous?

Earth Sciences Nov 20, 2023

Looking for lithium-bearing pegmatites

The commercial importance of lithium is ever-growing, and its production is globally dominated by lithium-cesium-tantalum (LCT) pegmatites. These are spectacular rocks featuring impressive ultra-coarse textures, but they ...

Evolution Nov 13, 2023

No scientific evidence that Homo naledi was advanced, new study argues

A new study has cast doubt on claims that Homo naledi, a small-brained hominin dating to between 335,000 and 241,000 years ago, deliberately buried their dead and produced rock art in Rising Star Cave, South Africa.

Earth Sciences Oct 25, 2023

Global sea-level fall led to formation of Ediacaran-Cambrian unconformity in North China Craton, finds study

In many blocks on the Earth, the boundary between the Phanerozoic and Precambrian is consistently characterized by a huge sedimentary gap—the Great Unconformity.

Paleontology & Fossils Oct 20, 2023

The first Miocene fossils from coastal woodlands in the southern East African Rift

An international team, with participation by the Geochronology and Geology Program of the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), has published a paper in the journal iScience on the first Miocene ...

Earth Sciences Sep 19, 2023

Researchers study the depths of the Sierra de Atapuerca

Josep M. Parés, coordinator of the Geochronology and Geology Program at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), is the co-leader of a geological study published in the journal Marine and ...

Earth Sciences Aug 7, 2023

How algae conquered the world—and other epic stories hidden in the rocks of the Flinders Ranges

Earth was not always so hospitable. Evidence of how it came to be so beautiful and nurturing is locked in the rocks of South Australia's Flinders Ranges—a site now vying for World Heritage listing.

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