An ichthyosaur preserved beneath a Chilean glacier is helping scientists understand the extinct animals and the world around them as a supercontinent broke up.

When vacationers head into the water, they often take a quick look at the ocean floor—and for good reason. In some European ...

It's not easy to look at a sea spider and see an animal so representative of its kind that it may help scientists sort out ...

Scientists have long sought to understand why sea spiders keep some of their most important organs in their legs.

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

Restoring Port Phillip Bay’s dwindling kelp forests by culling overgrazing sea urchins would deliver more than $92 million in ...

Restoring Port Phillip Bay's dwindling kelp forests by culling overgrazing sea urchins would deliver more than $92 million in benefits, a new study ...

The marine creatures are marching down Australia’s east coast and colonising Port Phillip Bay. But some people are determined ...

From quirky shapes to wacky abilities, the animal kingdom never ceases to amaze us! It is full of bizarre eyes that defy ...

In addition to posing a threat to swimmers, sea urchins in this popular snorkeling and diving spot in Hawaii are also harming ...

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.

Sea urchin numbers here are exploding as the fish species that typically keep their populations in check decline due to overfishing, according to the study, published last month in the journal ...