Oxygen is draining from the oceans, and oxygen-depleted "dead zones" are on the rise.
Find out everything there is to know about the ocean and stay updated on the latest oceanic news with the comprehensive articles, interactive features and beautiful images of the ocean at LiveScience.com. Learn more about the Earth's oceans as scientists continue to make amazing discoveries about our largest bodies of water.
Remarkably diverse communities of ocean life make their home in waters near Mexico's Revillagigedo Islands, now a protected marine reserve.
Mexico President Nieto designated a Pacific Ocean region teeming with biodiversity as a protected marine area.
Climate change may be leading to shifts in the communities of sea life beneath an Antarctic ice shelf.
As the Discovery Channel and National Geographic Wild unleash a week of dueling shark programs, a biologist advises viewers to take what they see with a large grain of sea salt.
The photo book “Big Pacific,” companion to the five-part PBS series, showcases the stunning marine life living in the Pacific Ocean, and highlights the conservation challenges they face.
Author Rebecca Tansley told Live Science how the photos and stories of the book "Big Pacific" came together.
The waters off the Oregon coast are mysteriously awash with strange, jelly-like creatures that look like translucent slugs, according to the National Oceanic and Atmospheric Administration.
Two species of highly similar deep-sea octopus are hard to tell apart — unless you look closely at their "warts."
Franky Zapata, French jet ski champion and inventor of the "Flyboard Air," took to the skies over the Atlantic Ocean.
A wild octopus surprised an Australian diver this week by suddenly, and quite dramatically, inflating itself with water, ballooning up like a parachute.
The failure of an important Atlantic Ocean current due to climate change could have a devastating effect on the planet.
A mysterious giant sea blob whose very existence was questioned has been rediscovered a century after its first sighting.