Were it exploding stars that wiped out life on earth—twice? Scientists say yes
A new study reveals that supernova explosions may have caused two mass extinctions on Earth 372 million and 445 million years ...
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Supernova study suggests space blasts wiped out ancient life on Earth
Scientists say a supernova explosion close to Earth could be to blame for two extinction events. The post Supernova study ...
Supernovas may have caused mass extinctions that killed 85% of life on Earth
Exploding stars known as supernovas may have sparked mass extinctions that wiped out up to 85% of animals on Earth.