Enormous "mud waves" buried under the Atlantic seabed formed 117 million years ago as the Atlantic Ocean opened up.

By studying seismic waves, researchers have found a layer deep beneath the surface of Mars that could contain enough liquid ...

Humans have been exploring the deep seas, which make up 66 percent of our planet’s surface, for decades. But a new study ...

Despite the deep ocean floor coating some 66% of our planet's surface, we haven't explored 99.999% of it, study finds.

Explorers know that the Earth’s oceans are vast, covering about 71% of the surface of the globe. According to a new study, ...

A new study reveals that less than 0.001% of the deep seafloor has been visually recorded, exposing major gaps in ocean ...

We know next to nothing about Earth’s seafloors. According to a study published May 7 in Science Advances, humans have only ...

Earth's surface is mostly deep ocean, but a new study reveals just how little we have glimpsed of the floor of our planet's ...

Despite covering most of Earth's surface and providing crucial resources, the deep ocean remains largely unseen and ...

Evidence is mounting that a secret lies beneath the dusty red plains of Mars, one that could redefine our view of the Red ...

Crashing waves, glistening sea spray, a calm expanse of deep blue. These are the images that open “Ocean with David ...