Over the course of nearly five months in 2022, NASA's Perseverance rover collected rock samples from Mars that could rewrite the history of water on the red planet and even contain evidence for past ...

Scientists have traced the origins of complex life to the breakup of the supercontinent Nuna 1.5 billion years ago. This tectonic shift reduced volcanic carbon emissions, expanded shallow seas, and ...

Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the ...

Here’s what you’ll learn when you read this story: • Scientists discovered that life rebounded at extraordinary speed after the asteroid impact 66 million years ago, with new plankton species evolving ...

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Oxygen first accumulated in the Earth's atmosphere about 2.4 billion years ago, during the Great Oxidation Event. A long-standing puzzle has been that geologic clues suggest early bacteria were ...