A scary-looking creature with “devil” in its name was spotted close to the surface off Tenerife, a Spanish island.

This is only the second time the species has been recorded while alive. “I thought it was A.I.,” says fish biologist Kory Evans.

A deep-sea creature only recorded alive on one other occasion has been seen for what's believed to be the first time in broad ...

A predatory protist selected and sorted (separated from all other free-living creatures and particles) at sea using patterns of how laser light scatters from the cell and fluorescence staining. Credit ...