The Cambrian Explosion is a landmark moment in the history of life on Earth when many of the major groups of animals first ...

“Ancient DNA has produced a revolution in our understanding of recent human origins,” said Daniel Green, field program ...

In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...

The Idle period is relevant in a wide variety of systems and has been extensively studied in the literature. This paper derives the distribution and moments of the idle period for different ...

The newly found fossils are 209 million years old and include at least 16 vertebrate species, seven of them previously unknown.

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

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