The first thing you must know about the sea urchin’s habitat is that it must live in a well-established aquarium, and the ideal tank size depends on the species. Small urchins, like the tuxedo ...

Using a paring knife, slice the papaya in half. Use a spoon to seed the papaya. Cut one-third of the papaya into four 1-inch ...

There are five biomes PEAK players can explore as they ascend to the top of the island, each of which features new terrain ...

9. Flower Urchin (Toxopneustes pileolus) Urchin. Image via unsplash. This visually striking sea urchin, found in the Indo-Pacific region, has venomous pedicellariae capable of delivering a painful ...

Restoring underwater kelp forests by culling overgrazing sea urchins would deliver significant financial benefits, a new ...

With its ability to grow to as big as three feet across, armed with up to 24 limbs covered with tiny suction tubes, the sunflower star is a purple urchin-eating machine. But Bank said the sunflower ...

In the study, researchers said the Honaunau Bay now has an average of 51 sea urchins per square meter. This is considered to be the highest recorded density on coral reefs anywhere in the world.

Joe Rosato Jr. reports. Purple sea urchins, beware: There’s a purple urchin-eating predator on the horizon — and its name is the sunflower sea star.

The turquoise water of Hōnaunau Bay in Hawaii, an area popular with snorkelers and divers, is teeming with spiny creatures that could erode the reef past the point of no return, new research has found ...

Beneath sea urchins’ exterior spines, rounded skeletons called tests are jewels of color, texture, and symmetry. There are hundreds of urchin species, and they’re found in every ocean on Earth ...

Beauty And Fashion Sunscreen ‘is poison.’ Sunscreen is essential. As the debate reaches a boiling point, we asked a dermatologist what to believe ...

Poison hemlock (Conium maculatum) was originally brought to the United States in the 1800s as an ornamental garden plant (another good idea gone awry) and is now found throughout North America.