One starfish species doesn't seem to want to grow up. Scientists have discovered a disc-shaped animal in the deep Pacific Ocean whose body plan is stuck in the juvenile phase of the life cycle. The ...

"This comeback has been incredible to witness in real life." Researchers thrilled after witnessing hard-to-believe animal ...

Watch a sea anemone defend itself against a predatory starfish in this video. The sea anemone detects the starfish nearby, ...

Learn why some starfish develop a rare square shape through genetics, regeneration errors, and abnormal development.

NEWPORT, Ore. – In an old industrial warehouse, Tiffany Rudek leaned into a chest-high tank. Using a laminated card, she gently pried a red-speckled sea star from the enclosure’s bright blue walls.

Starfish are quite rare in Hawaiian water compared to other arts of the pacific. Hawaii is thousands of miles away from the mainland and some creatures just had a hard time making the long journey all ...

Just five years after a wasting disease swept California starfish populations, killing many of the creatures, scientists have discovered a microevolution in one species of sea star that helped it ...

The mysterious sea star wasting disease has caused massive declines of the sunflower sea star (Pycnopodia helianthoides), a major predator within kelp forests in the Northeast Pacific. The widespread ...

Researchers have revealed the evolutionary history of the crown-of-thorns starfish -- a predator of coral that can devastate coral reefs. Their findings shed light on how the populations of these ...

Archaeologists associated with Mexico's National Institute of Anthropology and History (INAH) have discovered five starfish belonging to two species in an ancient ritual offering at the Toltec site of ...

It all started with a group of schoolkids in Arkansas who wanted to help dying starfish. In 2013, sea star wasting disease caused a massive die-off of multiple starfish species up and down the Pacific ...

May 18 (UPI) --Genetic analysis of fish feces suggests crown-of-thorns starfish are a surprisingly popular menu item. According to the findings, published Monday in the journal Scientific Reports, ...