A riotous photography collection from a recent underwater mission off the coast of Chile shows new and fascinating deep-sea ...

In fact, all our favorite marine animals – sharks and dolphins, turtles and rays, and all those pretty colored fish in our ...

Sea lions don't often attack humans, but a slew of recent assaults points to an algae that scientists say is poisoning the ...

Scientists have shared footage from a rare sighting of a bluntnose sixgill shark spotted near the Phoenix Islands in the ...

A common neurotoxin produced by algae blooms is making California sea lions more aggressive. Here’s why it has the power to ...

A new study analyzes the evolutionary history of 11 deep-sea species from environments stretching from the central Indian ...

The researchers studied tissue from over 120 fish. They found that 50 to 60 percent of their diet came from ocean’s twilight ...

When Hans Hartman, a civil engineer, attempted to film the ocean depths in 1917, he pioneered what would become the first deep-sea ROV, or remotely operated vehicle. During an era of silent movies ...

In recent weeks, hundreds of sea lions, dolphins and other animals have turned up in the sand dead or seriously ill, alarming ...

Scientists said they have seen the first signs of life returning to deep sea mining tracks carved into the abyssal seabed ...

Marine ecosystems in the deep ocean show little sign of recovery even decades after experimental mining, according to new ...

Marine life in the deep ocean can take decades to recover from the impact of deep-sea mining for rare metals, new research shows.