Around the edges of the Antarctic ice sheet, glaciers flow into the ocean to form long floating ice shelves, which regulate ...

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 ...

A Labour MP has called for a blanket ban on “bottom trawling” of seabeds in marine protected areas (MPAs), which she said destroys fragile ecosystems and habitats. Katie White compared bottom ...