What Causes Red Tides?
The phenomenon might look like a biblical plague, but the source is far more mundane.
The phenomenon might look like a biblical plague, but the source is far more mundane.
The internet is really just a spaghetti-work of really long wires found in the coldest depths of the ocean.
Shark-related tourist activities are now illegal in Mexico’s Isla Guadalupe Biosphere Reserve—a hotspot for great whites.
Before 2003's 'Finding Nemo,' 'Dory fish' were best known by another name. Actually, several other names.
While individual bubbles are fragile things, walls of them can muffle a major source of loud ocean noise.
‘Äpplet’ had a more successful naval career than its short-lived sibling, the ‘Vasa.’ Studying its wreck could help explain why.
It sometimes starts with a grain of sand—but not always.
Thousands of beluga whales are swimming south, and you can watch their progress live.
We still have a lot to learn about these beasts of the deep.
There's a turtle swimming through the marine life and plastic waste in this hidden-image puzzle. How fast can you spot it?
Every spring, hundreds of icebergs drift by the waters of Newfoundland and Labrador, Canada.
The strange path was discovered by a remote exploration vessel. And no, it is not named Dorothy.
Oceans cover 71 percent of the Earth’s surface. And since ancient times, people have made a name for themselves by exploring them.
In this video, a scuba diver demonstrates what happens to a raw egg 60 feet below the ocean's surface.
Experts agree that Canada has the world's longest coastline, but the exact length is disputed.
A new study found that octopuses are repurposing marine litter to create protective shelters for themselves.
Thanks to the debate surrounding the validity of the Southern Ocean, it’s more than a one-word answer.
A new study suggests that some sharks do sleep, even though they appear to be wide-awake when they're catching up on theirs Zs.
Throughout history, sea travel has provided a watery road to modern globalism. Here are 11 incredible sea voyages that advanced our understanding of the world.
The sexual organ of the majestic blue whale is so impressive that some speculate it's been mistaken for sea monsters.
Though these marine mysteries are often solved, globsters—unidentified organic masses that wash up on beaches—continue to capture the public’s imagination.
If you're already dreaming of your first summer getaway of the year, this list of the best beach destinations around the world may give you some inspiration.
In 1997, 4.8 million LEGO pieces—many of which were nautical-themed—fell off a cargo ship. They're still turning up on beaches 25 years later.
New video evidence shows that orcas are capable of hunting and killing blue whales—the largest animals on Earth.