Cataclysmic crash with neighboring planet may be the reason there's life on Earth today, new studies hint Early Earth may not have had the right ingredients for life — until a nearby Mars-size planet crashed into it, two new studies hint.

Cataclysmic crash with neighboring planet may be the reason there's life on Earth today, new studies hint #Science #Space #Astrobiology #EarthLifeOrigins #PlanetaryImpact