In place of oxygen, the ocean was full of hydrogen sulfide, which the researchers believe may have caused the organism to ...

Stanford scientists found that dramatic climate changes after the Great Dying enabled a few marine species to spread globally ...

After Earth's worst mass extinction, surviving ocean animals spread worldwide. Stanford's model shows why this happened.

Could supernovas have triggered ancient mass extinctions on Earth? New research explores how cosmic explosions may have ...

A new species of fossil dating back 444 million years has been named Sue - after its discoverer's mum. Professor Sarah ...

Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

A research team linked nearby stellar explosions to at least one, possibly two, mass die-offs after calculating the supernova ...