Imagine you are drawing a starfish—where would you draw its face? Starfish have eyes at the tip of each of their arms, but the location of their heads has puzzled scientists for decades.

Over the past decade, the sunflower sea star has gone from a mighty predator of the Pacific Ocean floor to nearing extinction. The Nature Conservancy estimates that 5.75 billion sunflower sea stars ...

Scientists estimate that more than 5 billion sunflower sea stars, once a mighty predator, have died in the Pacific Ocean because of warming waters. By Remy Tumin Over the past decade, the sunflower ...