Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

Once again, sea creatures took the biggest hit. Theories point to rising and falling sea levels, climate change, or even asteroid impacts. One idea suggests that expanding plant life on land may ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never ... The calculations suggested 2.5 supernovas might affect Earth in some way every 1 billion years ...

(Picture: NASA Goddard / SWNS) Exploding stars known as supernovas may have sparked mass extinctions that wiped ... For reference, one light-year is 9.5 trillion kilometres. What they were looking ...

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in Earth's history, according to new research. The explosive supernova deaths of ...

Based on this, the team determined that 2.5 near-Earth ... Devonian extinctions. “We calculated the supernova rate close to Earth and found it to be consistent with the rate of mass extinction ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never ... telescope.The calculations suggested that 2.5 supernovas might affect Earth in some way every ...