An artistic visualization of ocean currents from NASA has people mesmerized learning about our planet's underwater highways.

Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth's oceans were once green, in ...

When we look at Earth from space today, we see a pale blue dot—a planet dominated by vast oceans that shimmer under the sunlight. But what if our oceans weren't always blue? According to recent ...

On September 5, 1977, while venturing out of the Solar System, NASA’s Voyager 1 spacecraft swung its gaze one last time to its home planet and snapped a photo. Now known as “The Pale Blue Dot”—a ...

Scientists have made a groundbreaking discovery that challenges our understanding of Earth’s structure: an ocean located deep within the Earth’s mantle. This hidden reservoir could rival the volume of ...

Research shows Mars' gravitational pull affects Earth's deep-sea currents and climate, causing warming cycles every 2.4 million years.

Where do Earth's oceans come from? The debate on whether water may have been originally delivered to our planet by comets striking its surface has reopened after a new groundbreaking study. Published ...

Researchers discovered that continents don’t just split at the surface—they also peel from below, feeding volcanic activity in the oceans. Simulations reveal that slow mantle waves strip continental ...

Mother Ocean Day is Saturday, May 9, so here’s a few facts about our waters. About 71% of the Earth’s surface is ...

Deep beneath the familiar blue of the oceans, Earth may be hiding a far larger sea of potential. New high pressure experiments suggest the planet’s metallic heart could store hydrogen equivalent to ...