Tracing Earth's past in prehistoric rock deposits
What did the Earth look like about 2 billion years ago, when the planet's atmosphere was being oxygenated?
What did the Earth look like about 2 billion years ago, when the planet's atmosphere was being oxygenated?
Earth Sciences
Apr 17, 2023
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85
Trapped for millennia, the tiniest liquid remnants of an ancient inland sea have now been revealed. The surprising discovery of seawater sealed in what is now North America for 390 million years opens up a new avenue for ...
Earth Sciences
Nov 17, 2022
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169
A team of researchers affiliated with several institutions in France, working with a colleague from China and another two from Egypt, has found evidence that shows the Khufu branch of the Nile River once ran so close to Giza ...
Paleontologists from Flinders University are using a micro-CT scanner and 3D printing to reconstruct a small dinosaur preserved as opal for more than 100 million years in white sandstone rocks.
Biotechnology
Aug 29, 2022
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97
Geologists have found the fossil of the earliest known animal predator. The 560-million-year-old specimen is the first of its kind, but it is related to the group that includes corals, jellyfish and anemones living on the ...
Plants & Animals
Jul 27, 2022
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884
In 2011, a small meteorite was found in the Sahara Desert. Designated Northwest Africa (NWA) 7034 or "Black Beauty," the blackened chunk of volcanic crystal turned out to be a little piece of Mars, flung into space by an ...
Planetary Sciences
Jul 13, 2022
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74
New details of our past are coming to light, hiding in the nooks and crannies of the world, as we refine our techniques to go looking for them. Most lauded is the reconstruction of the evolution of humanity since our African ...
Archaeology
May 4, 2022
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24
After collecting eight rock-core samples from its first science campaign and completing a record-breaking, 31-Martian-day (or sol) dash across about 3 miles (5 kilometers) of Mars, NASA's Perseverance rover arrived at the ...
Planetary Sciences
Apr 19, 2022
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244
,Ancient rocks on the coast of Oman that were once driven deep down toward Earth's mantle may reveal new insights into subduction, an important tectonic process that fuels volcanoes and creates continents, according to an ...
Earth Sciences
Feb 12, 2022
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44
The type of carbon is associated with biological processes on Earth. Curiosity scientists offer several explanations for the unusual carbon signals.
Space Exploration
Jan 19, 2022
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83