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

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.

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.

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 ...

An entire world lives deep under the ocean’s surface, far from human notice and as bustling as any city. Animals such as tubeworms and clams live crowded around plumes of methane that bubble up ...

A rare deep-sea creature, sometimes called a "doomsday fish," made a mysterious appearance on a remote beach in Tasmania, and the eerie encounter is causing people to wonder about what's really ...