Most sea sponges are simple, yet ancient, animals that live in coral reef ecosystems. They feed by passively filtering ocean ...

A recent Schmidt Ocean Institute expedition off the coast of Uruguay discovered at least 30 suspected new species and explored a sunken warship. By Popular Science Team Published Oct 4, 2025 10:00 AM ...

Since most of our planet is comprised of water - with the ocean making up over 70% of the Earth’s surface - there’s a lot to be discovered in the sea, and it’s a place that captivates at every turn.

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The ocean is home to some of the most stunning colours in nature, but few are as mesmerising as the vibrant electric blue seen only in the rarest of the rarest animals. These creatures seem as if they ...

Local human-derived stressors combine with global ocean warming to threaten coral-reef persistence. Simultaneous reduction of human-derived stressors that originate on land, such as coastal run-off, ...

Coral reefs are the most diverse of all marine ecosystems. They teem with life, with about one-quarter of all ocean species depending on reefs for food and shelter at some point in their lifecycle.

Coral Reef Area: 344,400 sq km Australia hosts the largest coral reef system in the world. The Great Barrier Reef spans thousands of reefs and supports an enormous range of marine species. Main ...

In 2020, Japan performed the first successful test extracting cobalt crusts from the top of deep-sea mountains to mine cobalt -- a mineral used in electric vehicle batteries. Not only do directly ...

A brooding mother octopus shelters her eggs behind two different types of corals. The image was made by pilots using a robot to explore the north wall of the Mar Del Plata submarine canyon in ...