Eerie yet fascinating footage shows the 10-metre-long sea creature gently pulsing and swirling its way through the dark ...

Like a scene out of a Jules Verne novel, scientists from Schmidt Ocean Institute recently encountered a giant phantom jelly ...

Sea monsters are myths. There no real sea monsters in reality, but reality sure does come close. Take the giant phantom ...

Meet the giant phantom jellyfish. It's over a metre (3ft) wide and has four ribbony arms that trail behind for up to 10 ...

Scientists already knew that the pair of shallow coastal ocean dwellers keep very different schedules of downtime: The ...

Earth’s oceans cover 71% of the planet, but humans have only explored less than 20% of the seas. Scientists believe there are many undiscovered creatures living in its depths. Some species, like the ...

In the ethereal blue glow of the water, a huge shape swept toward them. Around 30 feet long, with four billowing arms and a domed head, the creature was larger than the tourists’ personal submersible.

Learn how jellyfish and sea anemones are changing what we know about the evolutionary purpose of sleep.

Jellyfish are some of the most fascinating and mysterious creatures in the ocean. While many people are familiar with the common jellyfish, there are countless lesser-known species that are just more ...

Why it matters: The ocean is Earth's largest climate regulator, but its vast size makes it notoriously difficult (and expensive) to study. Biohybrid technology, which merges living organisms with ...

A seven-arm octopus was spotted in Monterey Bay in Nov. 6, 2025; the 'rarely seen' deep-sea octopus was spotted by researchers who've only seen it four times in nearly four decades.

Chief Adviser Prof Muhammad Yunus called for deeper marine research to unlock Bangladesh’s vast ocean resources, warning of overfishing, biodiversity loss and pollution in deep-sea waters.