But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...

Mari Villar was slammed by a car that jumped the curb, breaking her legs and collapsing a lung. Amy Paulo was in pain from a femur surgery that wasn't healing properly.

Open water swimmers benefit from a significant boost to their mental health, more so than open-air pool swimmers, according to a new study. Research published in the Journal of Environmental ...