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Warmer waters heading south – here’s sunrise off Manly in New South Wales. Flickr/Jeff Turner

Things warm up as the East Australian Current heads south

Occasional erratic bursts southward of the East Australian Current (EAC) are thought to have moderated the weather of south-east Australia this autumn and winter and they continue to introduce tropical…
Marine parks need to be big enough to safeguard wide-ranging species, like the sharks being studied here. Manu San Felix/National Geographic Pristine Seas Expedition

Now is our chance to deliver on the 30% ocean protection target

Top scientists, senior government managers, industry representatives, conservationists and even some nations’ presidents are currently in Sydney for the World Parks Congress. This major international meeting…
Coral reef ecosystem off Palmyra Atoll part of newly expanded Marine National Monument. Jim Maragos/U.S. Fish and Wildlife Service

Pacific Remote Islands protection not just a drop in the ocean

This fall, President Obama signed a proclamation that created the biggest marine reserve in the world. By extending the protective boundaries around Wake Island, Jarvis Island and Johnston Atoll from 50…
Bet you wouldn’t find this on Mars. EPA

Just how little do we know about the ocean floor?

As ships resume the search for missing Malaysian Airlines flight MH370 in the depths of the Indian Ocean this week, we often hear that the oceans are “95% unexplored” and that we know more about the surface…
Diseases can devastate coral reefs. Jorge H. Pinzón C.

Older coral species are hardier than newer ones

The incredible diversity of coral reef ecosystems is being threatened by factors associated with global climate change and local pollution. Today diseases have increased and are killing more corals. Seeing…
The AAL Fremantle, borne along by a meteotsunami, hits the rail bridge next to Fremantle Harbour. ‏@Mattiegeesu via Twitter

Explainer: how weather can trigger dangerous tsunamis

At around 10pm on Sunday 17 August 2014, the container ship AAL Fremantle was being unloaded after arriving in Western Australia’s Fremantle Harbour, when it broke away from its mooring and collided with…

Baby turtles confirmed to swim, not drift

Baby loggerhead turtles have been confirmed to actively swim, rather than drift, into ocean currents. National Oceanic and…
So little is known about what lies beneath the surface of the Indian Ocean. AAP/ Richard Wainwright

What is it really like under the Indian Ocean?

Not long after the Malaysia Airlines flight MH370 was declared missing, the world’s attention was focused on a remote, poorly known area of the Eastern Indian Ocean as the possible location of the lost…
A 2.6 m tiger shark entangled in a WA drum line. It was officially released alive - whether it survived is another matter. Neil Henderson/supplied

WA’s shark cull didn’t answer the big ocean safety questions

As Western Australia’s Environmental Protection Authority and the federal environment minister Greg Hunt mull the question of whether to let the state government resume its controversial shark cull next…

Deep-sea microbes thrive under pressure

Microbes have been found thriving in even the deepest spot on the ocean floor. Research found the Mariana trench, nearly…

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