The seal population has increased from about 4,000, considered nearly extinct, in the late 1980s to about 50,000.

Bull sharks are lingering off Sydney's beaches for longer periods each year as oceans warm, researchers said Friday, ...

The little-known species with a “ribbon-like body” is believed by some cultures to be a harbinger of destructive events like ...

As oil companies push for drilling on the Amazon coast, an underwater war silences the ocean’s most vocal creatures.

Eastern Baltic cod grow to much smaller sizes than they did just 30 years ago, because overfishing altered their genes, ...

When vacationers head into the water, they often take a quick look at the ocean floor—and for good reason. In some European ...

As we near the end of the week, many will be looking forward to 'fish and chip Friday'. But it's bad news for those who've got their heart set on a large portion.

Decades of pollution and climate change have caused fish to disappear from the Baltic Sea at an alarming rate, with the EU on Thursday vowing to make the sea an “urgent priority”. Unveiling ...

Researchers at the University of Gothenburg have discovered that what was previously thought to be a unique seaweed species of bladderwrack for the Baltic Sea is in fact a giant clone of common ...

Researchers at the University of Gothenburg have discovered that what was previously thought to be a unique seaweed species of bladderwrack for the Baltic Sea is in fact a giant clone of common ...

With species like Atlantic mackerel facing potential habitat loss in areas such as the Baltic Sea, there may be heightened competition among nations for access to remaining fish stocks.