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    Ancient tiger eye BIF (banded iron formation)

    Laughing Gas May Have Helped Warm Early Earth and Given Breath...

    August 23, 2018
    mid-Cretaceous beetle Cretoparacucujus cycadophilus

    99-million-year-old beetle trapped in amber served as pollinator to evergreen cycads

    August 17, 2018
    Oldest rock on Earth

    Meteorite bombardment likely to have created the Earth’s oldest rocks

    August 17, 2018
    shark tooth

    Rare teeth from ancient mega-shark found on Australia beach

    August 16, 2018
    Natural magnesite crystal (4 microns wide).

    Faster way to make mineral to remove carbon dioxide from atmosphere

    August 16, 2018
    Etna eruption

    Mantle xenon has a story to tell

    August 16, 2018
    Artists impression of white dwarf star (on right) showing dust disc, and surrounding planetary bodies.

    Study of material surrounding distant stars shows Earth’s ingredients ‘pretty normal’

    August 16, 2018

    New research predicts landslide boundaries two weeks before they happen

    August 16, 2018
    The Valley of Peace Archaeology project team explore an ancient Maya site in central Belize.

    Maya rituals unearthed

    August 16, 2018
    Caelestiventus hanseni

    200-million year old Pterosaur ‘built for flying’

    August 16, 2018
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    Fewer landslides than expected after 2015 Nepal earthquake

    December 17, 2015
    Reconstruction of the giant pterosaur Hatzegopteryx launching into the air, just after the forelimbs have left the ground. Credit: Mark Witton

    Pterosaurs and other fossil flyers to better engineer human-made flight

    April 17, 2020
    Zircons studied by the research team, photographed using cathodoluminescence, a technique that allowed the team to visualize the interiors of the crystals using a specialized scanning electron microscope. Dark circles on the zircons are the cavities left by the laser that was used to analyze the age and chemistry of the zircons.Scientists led by Michael Ackerson, a research geologist at the Smithsonian's National Museum of Natural History, provide new evidence that modern plate tectonics, a defining feature of Earth and its unique ability to support life, emerged roughly 3.6 billion years ago. The study, published May 14 in the journal Geochemical Perspective Letters, uses zircons, the oldest minerals ever found on Earth, to peer back into the planet's ancient past.The team tested more than 3,500 zircons, each just a couple of human hairs wide, by blasting them with a laser and then measuring their chemical composition with a mass spectrometer. These tests revealed the age and underlying chemistry of each zircon. Of the thousands tested, about 200 were fit for study due to the ravages of the billions of years these minerals endured since their creation. Credit: Michael Ackerson, Smithsonian.

    Earth’s oldest minerals date onset of plate tectonics to 3.6 billion...

    May 22, 2021

    Faulted Sedimentary Rock Layers, Guatemala

    June 24, 2017
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    MORE ARTICLES

    Deep, old water explains why Antarctic Ocean hasn’t warmed

    Maohokite

    Scientists discover possible mantle mineral

    Climate not to blame for the disappearance of large mammals

    San Andreas fault

    Anticipating aftershocks

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