Ancient microbes built reefs in unusual places.
Articles on Geology
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Highly detailed fossils are typically found in shale or other fine-grained sedimentary rocks. These ones? They’re made of iron.
Biosphere 2 isn’t just the site of a famous human experiment. Today, scientists there work to understand how life emerges in barren environments.
A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.
Unique, spotted rocks in Mars’ Jezero Crater could indicate that the planet once hosted life.
A new ocean is slowly forming from beneath Africa.
Understanding the similarities and differences of the deserts on Earth and Mars will help space travelers survive future missions to the red planet.
Pillars of hot rock connect moving BLOBS in the deep Earth to giant volcanic eruptions at its surface.
On an explosiveness scale from Hawaii to Vesuvius, the latest from Mount Etna was relatively mild.
The mysterious ‘ghost mountains’ – buried beneath kilometres of Antarctic ice – have puzzled scientists for decades.
The Earth started as a mixture of gas and dust around the Sun and grew as it collided with asteroids and dust particles.
The microbes living here were dramatically disrupted – and the future of life on Earth changed.
It’s extremely difficult to see how forces in a pile of sand are distributed between individual grains – a new experimental approach fixes that.
New evidence supports theory of ‘Zanclean megaflood’ 5 million years ago.
Critical minerals are in demand around the world for military, technology and other uses. A geoscientist shares what’s known about Ukraine’s reserves, which could help the country recover from war.
The US has many of the same minerals Ukraine does – but prefers to import them.
The crater dates back 3.5 billion years, making it the oldest known by more than a billion years.
Hundreds of millions of years ago, rocks crushed under kilometres of ice injected vital nutrients into Earth’s oceans.
There seems to be too much of a radioactive element in rocks deep in the Pacific Ocean – how did it get there 10 million years ago?
Chickens, concrete, computers and clothes will leave a billion-year mark in the rocks.
Top contributors
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Professor of Geology, University of Adelaide
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Professor of Geochronology, Curtin University
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Professor of Palaeobiology, University of Leicester
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ARC Future Fellow and Associate Professor in Igneous Petrology/Volcanology, The University of Queensland
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Professor in Earth Sciences, Nanyang Technological University, Singapore, and Emeritus Professor of Mineral Physics, University of Cambridge
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Harold T. Stearns Professor of Earth Science, Wesleyan University
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Professor of Planetary Geosciences, The Open University
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Associate Professor of Earthquake Science, The University of Melbourne
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Professor of Geophysics, University of Sydney
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Adjunct professor, UNSW Sydney
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Redmond Barry Distinguished Professor Emeritus, The University of Melbourne
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Associate Professor, Earth and Planetary Sciences, Curtin University
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Professor of Environmental and Geographical Sciences, Bournemouth University
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Professor of Earth and Space Sciences, University of Washington
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Honorary researcher, The University of Melbourne