The winner! Lucky Bay, Cape Le Grand National Park, Esperance WA.
Lucky Bay on WA's south coast has been scientifically declared to have the whitest sand in Australia. But if you think your local beach can take the title, we want to hear from you.
The Byron Scar, left behind by an undersea landslide. Colours indicate depths.
The ocean floor off Australia's east coast bears the scars of numerous subsea landslides, which have potentially triggered tsunamis over the past several millennia.
The sea remains the least explored habitat on our blue planet.
Seagrass is a nursery ground for fish.
Luis R. Rodriguez
Seagrass medows support rich biodiversity. New research shows what you can do to protect them.
Scientists call large marine protected areas effective tools for conserving sea life. But do they benefit countries that create them? Scholars explain how Palau's huge marine protected area seeks to protect resources for Palauans.
During mass spawning events coral young rise from their parents to ocean surface.
Australian Institute of Marine Science
Every year buoyant bundles rise from a spawning coral, giving the impression of an upside-down snowstorm.
BBC Blue Planet
It seems almost inevitable that deep sea mining will open a new and substantial chapter of humanity’s relationship with the oceans.
Trowels and spades are being put to use in the sea.
robert_s / shutterstock
A new way to think about this common statement.
Besides wondrous creatures, new discoveries and spectacular filming, Sir David Attenborough's follow up to The Blue Planet comes with a stark warning about the future
A new method has been developed to find objects that land at sea using underwater sounds.
A volunteer diver surveys marine life at Lord Howe Island.
Rick Stuart-Smith/Reef Life Survey
Reef Life Survey, a citizen science project where hundreds of volunteer scuba divers survey thousands of ocean sites, has revealed new insights into marine mysteries.
Marine waters are an important source of food for Inuit.
The North Water Polynya, or Pikialasorsuaq, is a key ocean area for Arctic animals and for Inuit hunting and fishing. Rocket launches threaten to contaminate the area with harmful chemicals.
Like big waves? Thanks to surf forecasting, you’ll know when and where to find them.
Shalom Jacobovitz/Wikimedia Commons
Walter Munk might be the most under-appreciated man in surfing, but he is a big deal in ocean science. If you've ever checked a surf forecast before paddling out, you have him to thank.
Japanese vessel washed ashore on Long Beach, Washington being inspected by John Chapman.
As well as thousands of deaths and huge destruction, Japan's 2011 tsunami carried potentially invasive species _en masse_ across an entire ocean.
Interior Secretary Ryan Zinke has proposed shrinking Oregon’s Cascade-Siskiyou National Monument and allowing more public access and road maintenance.
Environmental law and natural resource experts respond to Interior Secretary Ryan Zinke's proposals to shrink four national monuments and allow logging, fishing and other activities in six more.
Dolphins contribute important knowledge about ocean health.
Marine mammals are often referred to as sentinels of the ocean and research on whales and dolphins in particular contributes important knowledge about the health of our seas.
Sea ice trapped atmospheric carbon dioxide in the last ice age.
The last ice age locked atmospheric carbon dioxide into oceans, which has major implications for how the oceans and carbon dioxide may be linked in the future.
Salt flows down rivers to the ocean.
A special combination of rain, rocks and subsea volcanoes makes the sea salty.
Pike Place Market, Seattle.
A new study shows that sustainable fish farming in deep ocean waters could produce as much seafood as all of the world's wild fisheries, in a space the size of Lake Michigan or Africa's Lake Victoria.