In recent years, masses of them have taken over the seabeds of California. So why are there so many urchins? And how, despite this seemingly huge supply, are they still so expensive? More from ...

All accommodations come equipped with comforts like flat-screen TVs, rain showers, mood lighting and convertible Seabeds. For more room, opt for one of the ship's RockStar Quarters. These upgraded ...

The results of this study reveal a new image of the Antarctic seabed. For most of the still unknown regions, this mapping reveals seabeds with deep canyons under the shelves, but also on the ...