It is here that new ocean floor is continuously created. As the two sides of the mountain move away from each other, magma wells up from the Earth's interior. It then solidifies into rock as it is ...

It covers nearly three-quarters of our planet but the ocean floor is less mapped than the Moon, an astonishing fact driving a global push to build the clearest-ever picture of the seabed.

Concerns have been brewing in recent days as word of large-scale layoffs at NOAA and its sister branch the National Weather ...