Science Look at this majestic school of hammerhead sharks ready to mate David Pescovitz

oceans Diver swims with 20-foot great white shark David Pescovitz

oceans Wealthy adventurer just became the first person to touch the bottom of the Atlantic Ocean David Pescovitz

Technology Trump OKs seismic tests in Atlantic that can harm thousands of dolphins & whales Xeni Jardin

Science Livestream killer whale songs and other ocean sounds David Pescovitz

military Hiding secret messages in whale song David Pescovitz

Science Dolphins forced to simplify calls due to human noise pollution in the oceans David Pescovitz

art Breathtaking photos of sea monsters emerging from the waves David Pescovitz

oceans Mermaid or beluga whale? David Pescovitz

oceans Getting to work on time: FINAL BOSS FIGHT Seamus Bellamy

oceans Watch a dolphin knock a stand-up paddleboarder right off his board David Pescovitz

Science The Earth's constant hum comes from the ocean floor David Pescovitz

Science Watch massive sharks attack submarine David Pescovitz

animals Watch delighted swimmers flee from curious killer whale David Pescovitz

photography Astounding underwater photography contest winners David Pescovitz

music Hear Radiohead and Hans Zimmer's collaboration "(Ocean) Bloom" David Pescovitz

oceans Stunning timelapse from a cargo ship on the open sea David Pescovitz

Weird Fisherman catch first documented two-headed porpoises David Pescovitz

animals Why peeing on a jellyfish sting is actually a terrible idea David Pescovitz

oceans When paddleboarding, this is not what you want to hear David Pescovitz