Geologists have long thought that meandering rivers, with their gently swooping banks, are a geologically recent feature. According to the rock record, these rivers began proliferating around 450 million years ago in the ...
Earth Sciences
Aug 1, 2023
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60
A new type of analysis of a spectacular 120-million-year-old fossil skeleton of the extinct early bird Jeholornis from northeastern China has revealed the oldest evidence for birds eating leaves, marking the earliest known ...
Evolution
Aug 1, 2023
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117
Around 262 million years ago, during the middle Permian Period, a new family of reptiles emerged. Pareiasaurs—meaning "cheek lizards," a reference to the flat flanges of bone that make up their cheeks—had skulls covered ...
Paleontology & Fossils
Jul 31, 2023
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194
Recent archaeogenetic studies have shown that human migrations and individual mobility played a bigger role in prehistory than previously anticipated. With the movement of people, also culture, technical know-how, language ...
Archaeology
Jul 19, 2023
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112
A previously unknown species has been discovered lurking in the parks of Los Angeles and Orange counties.
Plants & Animals
Jul 14, 2023
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391
An already warming Earth steamed to its hottest June on record, smashing the old global mark by nearly a quarter of a degree (0.13 degrees Celsius), with global oceans setting temperature records for the third straight month, ...
Environment
Jul 13, 2023
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16
Biologists attempting to conserve and restore denuded environments are limited by their scant knowledge of what those environments looked like before the arrival of humans. This is especially true of coastal ecosystems, many ...
Ecology
Jul 13, 2023
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15
Movement in the Earth's tectonic plates indirectly triggers bursts of biodiversity in 36‑million-year cycles by forcing sea levels to rise and fall, new research has shown.
Earth Sciences
Jul 10, 2023
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398
The world's best tandem solar cells consisting of a silicon bottom cell and a perovskite top cell can today convert about a third of the incident solar radiation into electrical energy. These are record values, especially ...
Analytical Chemistry
Jul 10, 2023
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5
A recent and unexpected discovery at Penn Dixie has provided new insight into the evolutionary history of an unusual group of fossils.
Paleontology & Fossils
Jul 10, 2023
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