Woman to spend month in bathtub to protest orca captivity

This nifty backpack is made from a whole bunch of recycled plastic bags

'Ocean Art' contest uncovers the otherworldy beauty of the deep

Sharks witnessed hunting and killing a whale for the first time

Alaska startup turns 'fishy' trash into talked-about treasures

Obama signs bipartisan ban on microbeads

Diver captures extreme encounter with giant squid

Weird new sound heard among humpback whales

Rescuers take plastic fork out of sea turtle's nose

NASA releases otherworldly photo of phytoplankton bloom

The upside-down world of the Gulf's dead zone

Sunken Pearl Harbor plane filled with mystery