Have you ever seen a sea star move? To many of us, sea star seem motionless, like a rock on the ocean's floor, but in actuality, they have hundreds of tube feet attached to their underbelly. These ...

In 2013, a sea star wasting disease decimated sea star populations along the west coast. The Sunflower Sea Star is one of the largest sea stars in the world and suffered a loss of over five billion ...

Scientists have discovered that each of the sea star’s tube feet is driven independently using local feedback from the environment. Murat Inan/Getty Images Sea stars move at a crawling pace, sometimes ...

Between 2013 and 2017, 90 percent of the sunflower sea star population was wiped out from a disease called Sea Star Wasting Syndrome. Brocken Inaglory via Wikimedia Commons under CC BY-SA 2.0 The ...

A healthy sunflower sea star is seen on the seafloor in 2014. (Photo by Ed Gullekson/Washington Department of Fish and WIldlife, provided by NOAA Fisheries) One of the world’s largest sea stars is on ...

A team of international researchers discovered the cause of a sea-star wasting disease Bennett Whitnell/Hakai Institute; Grant Callegari/Hakai Institute The cause of a sea star-wasting disease was ...

A critically endangered sunflower sea star. (Courtesy of the Association of Zoos & Aquariums) Scientists say they have at last solved the mystery of what killed more than 5 billion sea stars off the ...

Scientists are racing to revive a critically endangered species that has succumbed to a mysterious underwater pandemic up and down the West Coast. The species is the sunflower star, a pizza-sized ...

While exploring the ocean floor, she finds a sea star and assumes it can be “opened” like a shell. But instead of opening it, ...

Earlier this week, the sunflower sea star was listed as Critically Endangered by the International Union for Conservation of Nature (IUCN), which maintains a “Red List of Threatened Species”. With the ...

Columbo, eat your heart out: A team of scientists has just solved a massive marine murder mystery, nabbing the culprit behind the deaths of billions of sea stars over the past decade. In a new study, ...

Editor’s note: This story was originally published by Canada’s National Observer. It appears here as part of the Climate Desk collaboration. Every child who has ever explored a West Coast shore ...