The incredible image of the orca and the outrigger was captured by a Whidbey Island-based photographer named Cindi Rausch. And the orca whale has a real story.

SeaWorld officials are speaking Sunday, two weeks after an orca whale at the Orlando attraction suffered an injury to its dorsal fin.

Beneath the seafloor on the East Pacific Rise, an ocean ridge where several tectonic plates meet, giant white worms and other creatures are thriving in the cavities of hydrothermal vents.

Scientists exploring the deep sea have discovered that tube worms are teaming up with bacteria to sequester methane, a potent greenhouse gas.

A deep-sea expedition made the surprising discovery of a previously unknown ecosystem in which animals such as giant tube worms thrive beneath hydrothermal vents.

An orca named "Old Thom" was spotted seven miles off the coast of Chatham Sunday morning. (Video provided by Paul van Steensel) ...

Scientists had no idea how an underwater Arctic volcano could sustain so much life. And then they noticed the black tubes.

The 46-foot-long male belongs to the second-largest whale species. It will be left to decompose naturally as scientists work to determine why it died.

Leeman got his phone and filmed a video of the killer whale’s tall dorsal fin poking out of the water as it dives into the depths. Leeman his crew wanted the whale to stick around.

While dragging for scallops Sunday, Cape Cod fishermen spotted an Orca in the waters near their boat. Orcas rarely travel this far south.