Key takeawaysKelp forests play an important role in healthy coastal ecosystems, but they prefer cold water and die off if the ...

These 24-armed, roughly 3-feet-wide sea stars can move 40 inches per minute when on the prowl for crabs, snails, sea urchins, and other ocean creatures to eat.

They may be small in stature, but sea otters are a keystone species. Without them, the marine environment beneath the waves ...

Billions of sea stars have wasted away in recent years, their crustose, spiny bodies melted to goop by a mysterious illness ...

You’ll find it in ice cream, medicines, bandages, energy drinks, and vegetarian burgers. Before ending up in the soft serve, ...

Officials say more time for abalone populations to recover is needed, as kelp forests are still decimated while voracious ...

Sick sea stars are lethargic, lose their arms and disintegrate into gooey masses. More than 90% of sunflower sea stars were killed.

And because sea urchins eat kelp, the big growth in the urchin population caused a decline in kelp forests along California’s coast, which are key habitats for sea otters, fish and other species.

A team featuring Canadian scientists has, after years of testing, determined the cause of the devastating sea star wasting ...

A new study points a finger at a strain of the bacterium Vibrio pectenicida, which belongs to the same genus as Vibrio cholerae, known for causing cholera in humans ...

A sea star wasting disease​ sparked a mass die-off from Mexico to Alaska, devastating more than 20 species and continuing ...