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17Apr

Origins of Earth’s Water May Not Be as Complicated as We Thought

Credit: DepositphotosPlanetary scientists have long believed that Earth's water came from external sources, such as hydrogen-rich rocks and comets, which arrived after the planet formed, given the apparent lack of moisture in the early building blocks of Earth.New Research Challenges the Conventional TheoryHowever, a recent study by researchers from the University of Oxford and...

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03Mar

Supernova explosions may have influenced Earth’s evolutionary history.

An artist's impression of a supernova exploding near the ancient EarthNASA/CXC/M. WeissAstrophysicists have taken a forensic approach to a cosmic mystery, tracing radioactive elements on the seafloor back to potential supernova explosions. Their findings suggest a possible link between these cosmic events and evolutionary changes in viruses within an African lake.The key evidence is...

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