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The Largest Extinction Event In Earth's History Occurred 250 Million Years Ago
Earth is no stranger to mass extinction events ... Travel back in time even further to around 250 million years ago, and the Great Dying – more formally known as the Permian-Triassic extinction ...
Phys.org9d
Carbon dioxide has been regulating Earth's climate for hundreds of millions of years—new study
Around 370 million years ago, Earth gradually descended into the longest lived and probably the most intense ice age ...
PBS2mon
Birth of the Himalaya
Over two hundred fifty million years ago, India, Africa ... the collision of India with Asia we must first look beneath the Earth's surface. The continents are carried by the Earth's tectonic ...
National Geographic news3mon
Precambrian Time
About 800 million years ago, oxygen levels reached about 21 percent and began to breathe life into more complex organisms. The oxygen-rich ozone layer was also established, shielding the Earth's ...
Publishers Weekly2mon
When the Earth Was Green: Plants, Animals, and Evolution’s Greatest Romance
An account of a proto-dinosaur’s wanderings around a forest of araucarioxylon trees 220 million years ... descriptions of what the Earth was like millions of years ago (“The humid, dew-dappled ...