Tag - Earth's

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...