The ocean is home to some of the most mysterious creatures on Earth. Many of us are familiar with the common sea animals like dolphins, sharks, and turtles, but there are also rare and unusual ...

Along the rocky coast of eastern Italy at night, researchers scanned a tide pool in hopes of seeing something interesting. A "leaf"-like sea creature caught their attention - and for good reason. It ...

"The discovery highlights ... the enduring mysteries of the deep ocean." Experts puzzled after 'incredibly rare' creature ...

The rare creature, called Haliphron atlanticus, was seen by the Monterey Bay Aquarium Research Institute’s biodiversity and biooptics team on Nov. 6, the institute confirmed to SFGATE via email. Prior ...

Beaches often gift us treasures like seashells or sea creatures, but sometimes, certain rare and unique creatures wash up on ...

Boaters recently spotted a group of Risso’s dolphins off the coast of South Africa — a “rare” sight for the area, according to a local tour company. Photo from Doug Bagg, UnSplash Boaters off the ...

Spurilla neapolitana was spotted in the United Kingdom waters for the first time. (Charlotte Cumming via SWNS) By Lauren Beavis A "groundbreaking" sea slug discovery has been made - in a UK first. The ...

Two sea creatures were spotted bonding off the coast of California, a whale watching group said. Getty Images/iStockphoto Two massive sea creatures were spotted being “affectionate” during a “rare” ...

Two sea creatures were spotted together off the coast of California, boaters said. Getty Images/iStockphoto A pair of sea creatures was spotted off the coast of California, and boaters are calling it ...