About 252 million years ago, 80 to 90 percent of life on Earth was wiped out. In the Turpan-Hami Basin, life persisted and bounced back faster.

A research team linked nearby stellar explosions to at least one, possibly two, mass die-offs after calculating the supernova rate of stars closest to the sun in the past 1 billion years.

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Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of ...