Add Yahoo as a preferred source to see more of our stories on Google. Mineral-laden water emerging from a hydrothermal vent on the Niua underwater volcano in the Lau Basin, southwest Pacific Ocean.

A major impact can eradicate entire ecosystems. It can melt rocks, send debris around the planet, and create a dent in the ...

Before sunlight ever reached the planet, another force may have sparked life—electricity. Deep beneath the ocean floor, ancient hydrothermal vents might have generated natural electric fields strong ...