New Study Reveals Link between Mass Extinction Events and Comet/Asteroid Showers

According to a study that will be published today in the journal Monthly Notices of the Royal Astronomical Society, mass extinctions occurring over the past 260 million years were likely caused by comet/asteroid showers. For more than three decades, researchers have argued about a controversial hypothesis relating to periodic mass extinctions and asteroid/comet impact craters [...] —> Read More