Despite its crucial role for the planet, less than 0.001% of the ocean floor has been directly observed. This tiny proportion ...

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

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

Researchers argue that expanding deep-sea exploration is vital to understanding and managing these marine habitats ...