Renewable technologies need a multitude of critical minerals. The seabed could supply these riches. But at what cost?

Have you been to any of these marvelous places?

There's more evidence that water once flowed on Mars with the discovery of an ancient river delta deep below the surface.

Deep-sea coral reef discovered off the coast of Naples with an intact ecosystem that has scientists amazed today ...

The 1,000-day underwater timelapse, recorded on an urban reef in Miami, shows corals bleaching before making a miraculous recovery.