Hawaiian surfer John John Florence, seen here competing in Portugal, is one of the favorites to win surfing’s first Olympic gold.
AP Photo/Francisco Seco
Olympic surfers are coming from around the world to compete in surfing’s Olympic debut. But where will the waves come from?
Phil Vandenbossche & Nelson Kuna/CSIRO
Sonar scans of the Indian Ocean floor south of Christmas Island have revealed a Tolkeinesque landscape of towering peaks, ashen uplands and ominous volcanic craters.
Ronnie Robertson/Wikimedia Commons
Internal waves can create pretty cloud shapes in the sky, as well as making life unpleasant for passengers on aeroplanes. And in the oceans they can be a deadly hazard to submarines.
Inge Johnsson/Alamy Stock Photo
Climate change is strengthening the division between the ocean surface and the abyss.
Each bit of plastic takes a unique journey once it reaches the ocean. We’re trying to spot the patterns.
Javarman / shutterstock
How Pacific winds interact with the sea to bring colder waters up from the depths.
Universities and the professions are changing in response to climate change. When will the advances in knowledge and practice we are already seeing prompt governments to act with the required urgency?
Oskari Porkka / shutterstock
Cold-water plankton is being replaced by warm-water species.
A crowded Copacabana Beach in Rio de Janeiro, Brazil.
Sandy beaches are densely populated and occupy more than one third of the global coastline.
The remotely operated vehicle Deep Discoverer captures images of a newly discovered hydrothermal vent field in the western Pacific.
In some places, the ocean is almost 7 miles deep. Scientists exploring the ocean floor have found strange sea creatures, bizarre geologic formations and records of Earth’s history.
Old man (possible self-portrait) and water studies, c 1508-9.
Leonardo’s obsession with water flowed through his technical work, his art and his scientific ideas.
Federal and university employees normally work side by side on many big science projects.
Lots of academic scientists collaborate with federal employees and resources on their research projects. And at the moment they can’t. A climatologist explains the bind they’re in.
The Antarctic Circumpolar Current keeps Antarctica cold.
The Antarctic Circumpolar Current provides a barrier to heat that keeps warm subtropical waters away from Antarctica. Yet, there are a few places where the heat gets through.
Successive governments have seen the Great Barrier Reef not just as a scientific wonder, but as a channel to further economic development.
The $444 million awarded to the Great Barrier Reef Foundation has been criticised as a politically calculated move. But governments have been asking what the reef can do for them ever since colonial times.
Southern bull kelp can drift huge distances before washing ashore.
A chance discovery of some kelp that floated for 20,000km before washing up on an Antarctic beach has opened up a new chapter in our understanding of the currents that swirl around the Southern Ocean.
A pelagic snail ensnares food with with a mucous web.
Linda Ianniello https://lindaiphotography.com
Biologists are finding new evidence that these ocean invertebrate grazers don’t just ingest whatever they catch. They can actually be picky eaters – and their choices might influence ocean food webs.
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.
Tampa residents take a rare chance for a stroll on the seabed.
Pictures of ocean bays emptied of water as Hurricane Irma moved through the Caribbean and Florida show that storm surges can move away from the coast, as well as onto it.
Salt flows down rivers to the ocean.
A special combination of rain, rocks and subsea volcanoes makes the sea salty.
Migrating humpback whales avoid loud, nearby sounds.
Humpback whales are deterred from their migration routes by the noise of air guns used to survey the ocean floor for oil and gas deposits, a new study has found.