Giant meteorite that hit Earth 3 billion years ago may have helped life thrive: Study - USA TODAY

Giant meteorite that hit Earth 3 billion years ago may have helped life thrive: Study  USA TODAYWhat happened when giant S2 meteor hit Earth 3 billion years ago?  Harvard GazetteMeteorite 200 times larger than one that killed dinosaurs reset early life  Chemistry WorldMeteorite that hit Earth 3 billion years ago dwarfed rock that caused dinosaur extinction: study  CBC.ca