New evidence suggests molten heavy metals such as gold are leaking out of Earth's core. (jxfzsy/iStock/Getty Images Plus)Earth’s core holds an enormous amount of gold, and this precious metal is slowly making its way into the planet’s crust, according to a new study.Volcanic Rocks Reveal Traces of Precious MetalsResearchers analyzed isotopes found in volcanic rocks...
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...
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...
