Oceanography
Oceanography is the study of the oceans as ecological systems. In this section, learn about topics like currents, deep-sea research or how rogue waves work.
Worldwide Droughts Uncover Ancient Relics, Ruins and Remains
450 Huge Geometrical Earthworks in the Amazon Hint at Past Civilizations
Ancient Egyptians Believed Cats Had 'Divine Energy'
What Are Geodes and Where Can You Find Them?
River-bottom Bones: The Strange World of Underwater Fossil Hunting
Is Africa Splitting in Two? Really? Here's the Scoop
10 Longest Rivers in the U.S.: From the Missouri to the Brazos
What Is the Smallest State in the USA? Looking at Area and Population
Venice Isn't Alone: 7 Sinking Cities Around the World
Learn More
Scientists have long been fascinated by the ocean's dynamic nature, where the force of the water collides with atmospheric phenomena to create waves of monumental size.
All that seashell collecting you've been doing actually hurts the environment.
By Mark Mancini
The ocean's depths are one of the most mysterious areas on the planet - and the inhabitants of this murky domain are stranger than anything you'll find on land.
Advertisement
Early explorers drove flags into the ground to claim territories. But no one bothered to float a flag in the oceans. For the most part, we peaceably shared the oceans until we realized what valuable goods could be found in their dark and murky depths.
By Josh Clark
Whether you sail, surf, fish or collect shells, having one of these could help you out before you hit the water.
How do they measure "sea level"? Is it the average of the tides? And is the sea level actually rising or not?
Rough times call for creative measures. The world is filled with oceans, and oceans are filled with wave energy that could potentially be transformed into power. Is wave energy a viable fossil fuel alternative?
By Jane McGrath
Advertisement
It's colorless, odorless and definitely life-sustaining, but is it invisible to the naked eye? Not usually. So what's going on with everyone's favorite liquid?
By Robert Lamb
The Pacific Ocean trash vortex is explained in this article. Learn about the Pacific Ocean trash vortex.
As global freshwater sources become scarcer, desalination plants play an increasingly pivotal role, transforming our vast oceans into drinkable reserves. Let's delve deeper into the mechanics of these vital facilities.
Also known as "freak waves," these colossal walls of water have been alleged to be in the range of 100 feet or more. Learn what separates rogue waves from other large waves, what causes them and find out about some of the better-known rogue wave incidents.
Advertisement
The dead zone, caused by massive amounts of algae growth, is a vast area off the Gulf of Mexico that is deadly to marine life. How is human activity making the dead zone worse?
Rip currents are the number-one concern for beach lifeguards: About 80 percent of all beach rescues are related to rip currents. Learn what they are and what you should do if you get caught in one.
By Tom Harris
There's still a lot we don't know about the world. A thousand years ago, we thought we could literally sail off the edge of the planet. Good thing we're quick learners. But while space may be the final frontier, the ocean may be the greater mystery.
There's no denying it: "Anomaly" is a great word, full of danger and mystery. So when an underwater object is declared a bona fide anomaly, it's no surprise our ears perk up a bit. But is the Baltic Sea anomaly worth the hype or just a big old dud?
By Kate Kershner & Yara Simón
Advertisement
The oceans are rising, and they're threatening to take down some of the world's brightest cultural gems. Here are 10 of the most notable spots endangered by climate change.
By Chris Opfer
The Great Pacific Garbage Patch is the world's largest landfill, and it can be found in the middle of the Pacific. Millions of pounds of trash collect here.
You might never notice the relentless movement of the oceans unless their waters went eerily still. What forces drive the oceans every second of the day?
Desalination has long been considered too expensive and too energy-intensive to make much sense. But with newer technologies, that line of thinking is changing. What are some of the most interesting desalination projects on the planet?
Advertisement
To say geologic time moves at a snail's pace is an insult to snails. Our planet's continents are always in flux: Could a new ocean grow amid those incredibly slow changes?
The Southern Ocean has finally been officially recognized, though scientists have known about it for over a century.
The Atlantic Meridional Overturning Circulation, or AMOC, plays an essential role in regulating ocean temperatures, but it looks as if it may be collapsing. What happens next?
The waters of the Atlantic and Pacific oceans meet at the tip of Cape Horn and never the two shall mix, right?
Advertisement
If it looks like a party is on, maybe they'll come back. Playing the sounds of a noisy, healthy coral reef can attract important fish species to devastated reef habitats.
Anyone who's been to the ocean has probably seen the foamy white stuff that clings to the sand after a wave breaks and recedes, but what the heck causes that bubbly foam and is it dangerous?