Add Yahoo as a preferred source to see more of our stories on Google. Biologist and underwater photographer Joseph Ricketts captured charming footage of the river chub, a small freshwater fish with ...

It looks like a big blob of red jam, red helmet jellyfish, with dozens of flesh-colored, noodle-like tentacles fringing out of it. The species has witnessed everything from the rise and fall of ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...