They headed underwater expecting to collect trash, but the ocean kept playing tricks on them. From objects that looked ...

A sea urchin is a study in contradictions: tenacious and spiky on the outside, vulnerable and velvety on the inside. With a beauty both fragile and fierce, it can burrow for decades into rock, but die ...

The pointy shell of sea urchins hides a remarkably complex neural network that resembles the brains of vertebrates, new research suggests. Reading time 2 minutes When it comes to taking hardcore ...

After decades of fighting for their traditional fishing rights, Aboriginal custodians are now fighting to save their sea country from ecological collapse.

The Pacific purple sea urchin's appetite for kelp threatens marine ecosystems along the California coast as it ravages the "lungs of the ocean."... Transforming the 'Roombas of the ocean' into ...