Deep beneath the ocean, the largest toothed predator on Earth is sending out signals that don’t sound like anything we understand. This isn’t a song—it’s something colder, sharper, almost like digital ...

Add Yahoo as a preferred source to see more of our stories on Google. Two Caribbean reef sharks in close formation swimming just over the reef with ble ocean ...

Marine predators occupy critical positions in oceanic food webs, mediating energy transfer from primary producers through multiple trophic levels and regulating the abundance and distribution of prey ...