Learn how starfish got their shape after a complicated evolutionary process, starting with an ancestor that lived 500 million ...

Starfish - or sea stars - have been on earth far longer than humans; 474 million years longer, to be exact. But even though the earliest traces of starfish stretch all the way back to the ...

This seems to have solved the mystery of how the starfish got its arms. But it doesn’t necessarily answer the ‘why’. Imran ...

A key starfish is now under threat of extinction, the government says. The federal government said Wednesday that the sunflower sea star needs protection under the Endangered Species Act ...

While some starfish species have recovered from the initial outbreak, the sunflower star has not. Its big, pillowy body is highly susceptible to whatever is causing the wasting syndrome.

An unassuming starfish species found around the world has a shocking amount of DNA hidden inside its cells. The brooding brittle star (Amphipholis squamata), which has a tiny disk-shaped body and ...

However it is caused, it has had a significant impact on starfish populations in the USA. Since 2012, outbreaks of the disease on the country's Atlantic and Pacific coasts have affected at least 20 ...

Starfish, or sea stars, are brilliant and resilient ocean creatures. These bottom-dwelling echinoderms have a central disc body covered in tough calcium carbonate skin that helps provide support and ...

Dr. Mah also describes a new genus of starfish and 10 additional new species. Starfish are invertebrates of the class Asteroidea, so they’re also known as asteroids (yes, another cosmic name).

There are around 2,000 cataloged starfish species in the world, but that list grew by at least one new variety in 2024.

Starfish, or sea stars, are brilliant and resilient ocean creatures. These bottom-dwelling echinoderms have a central disc body covered in tough calcium carbonate skin that helps provide support and ...