Hosted on MSN11d
Massive star explosions may have triggered two mass extinctions in Earth's past: 'It would be terrifying.'
and the Ordovician, which occurred 445 million years ago and was the first of the big five mass extinction events in our ...
Science Daily11d
Violent supernovae 'triggered at least two Earth extinctions'
At least two mass extinction events in Earth's history were likely caused by the 'devastating' effects of nearby supernova explosions, a new study suggests. Researchers say these super-powerful blasts ...
WAPT9d
Supernovas may have had a role in two of Earth’s largest mass extinctions, study suggests
Dino-killing asteroidCelestial events have triggered at least one mass extinction ... along with armored fish and other marine species. A cataclysmic shift at the end of the Ordovician led to the ...
WXII 12 NEWS9d
Supernovas may have had a role in two of Earth’s largest mass extinctions, study suggests
Violent supernovas may have caused two of Earth’s largest mass extinctions ... the Late Devonian extinction event 372 million years ago and one at the end of the Late Ordovician 445 million ...