In the deep ocean, where sunlight never reaches, and food drifts down like confetti, survival is less about speed and more ...

The ocean's surface is a friendly place. Clownfish wave hello from cartoonish anemones, parrotfish are shimmering rainbows come to life, and sea turtles cruise around like stoned surfers on ...

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 ...

The Invisible Man isn't the only expert in making himself imperceptible with optics science. Species of ultra-black fish also have that tactic down pat, according to a study published Thursday in the ...