With a large variety of starfish in the ocean, there are many unique appearances that can be surprising. One example is the ...

If you’re able, watch this video. If not, allow me to explain. Two crown-of-thorns starfish are placed in separate tanks. Ordinary seawater is poured into one. In the other, seawater that a giant ...

Measuring rocket pollution, how calcium induced an ice age, unpacking dark matter and a listener question about freezing flows ...

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.

For many creatures, having a limb caught in a predator’s mouth is usually a death sentence. Not starfish, though—they can detach the limb and leave the predator something to chew on while they crawl ...

The mystery of how starfish evolved their distinctive five-pointed body may be solved, thanks to new research from the University of Southhampton. Scientists have long wondered where exactly the “head ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The heads of most ...