Two nearby explosive massive star deaths, or supernovas, may have triggered mass extinction events in Earth's distant past, new research suggests.
Massive star explosions may have triggered two mass extinctions in Earth's past: 'It would be terrifying.'
Source: space
Source Link: https://www.space.com/space-exploration/search-for-life/massive-star-explosions-may-have-triggered-two-mass-extinctions-in-earths-past-it-would-be-terrifying