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The oldest rocks on Earth are more than four billion years old
Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...
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What Earth Was Like 2 Billion Years Ago – A Journey Back in Time
Imagine stepping back in time to Earth 2 billion years ago,long before forests, dinosaurs, or even fish. Step into Earth’s ...
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Earth 200 Million Years Ago – What Life Was Like in the Age of Dinosaurs
Imagine stepping back 200 million years into a world vastly different from the Earth we know today. During the age of dinosaurs, one colossal landmass, Pangaea, dominated the surface, surrounded by ...
New Scientist2d
Ancient mass extinction shows how Earth turned into a super-greenhouse
A study of fossils from the Permian-Triassic extinction event 252 million years ago shows that forests in many parts of the ...
Hydrothermal systems may have supplied essential phosphorus for early life
Understanding where and in what quantities essential elements for life have existed on Earth's surface helps explain the ...
Live Science2d
Neanderthal DNA may refute 65,000-year-old date for human occupation in Australia, but not all experts are convinced
A new DNA model suggests humans didn't reach Australia until 50,000 years ago, but archaeological data disagrees.