This is up to 35 times more than the estimated weight of plastic pollution on the ocean’s surface.
An enormous amount of fishing gear is cut loose in the ocean each year. The losses cut into fishers' profits and kill marine wildlife. A new project aims to get ghost gear out of the ocean.
Oxygen produced by these plants helps animals boost their metabolism to match the heat.
A new network of 20 sites have been declared as marine protected areas in South Africa.
Not everything humans put in the ocean is garbage. From walls of tyres to sunken sculptures, reef restoration is both a science and an art.
Researchers have discovered male bottlenose dolphins can retain individual vocal labels – or “names” – to help them recognise each other in their social network, much like humans.
Using baited cameras scientists have captured some of the first underwater video footage of the elusive Greenland shark.
Prime Minister Justin Trudeau has taken swift action on protecting marine areas over the past two years, but he'll need to continue this momentum if he is to cement his legacy.
Seagrass medows support rich biodiversity. New research shows what you can do to protect them.
Australia's reputation as a global leader in marine conservation is being put at risk by plans to strip back sanctuary areas within marine parks, say scientists from around the globe.
Tiny fibres from washing machines are being eaten by a multitude of marine species.
Surveying the bottom of the ocean turns out to be far from easy. But there was something wonderful about seeing animals we have only read about in old books.
Maëlle, 7, wants to know why some shells are smooth, while others are corrugated. It turns out that while corrugated shells are strong, smooth shells can move fast.
It's not easy to tackle a live octopus - so many arms, all those suckers! But some bottlenose dolphins have found a way to defuse and eat these eight-armed sea creatures.
Microfibres and microplastics are a massive problem for marine life. Once ingested, they
severely affect marine animals ability to eat. There's also concerns about their toxicity.
Prized species such as sea cucumbers are increasingly being poached from Australian waters. But if foreign aid can give fishing crews alternative livelihoods, the problem could ease.