On an expedition to South America, one diver experiences a rare encounter with a brand-new species of comb jelly—the pinnate winged comb jelly.

Liveaboards provide unique opportunities for immersive diving experiences. These expeditions take things one step further and invite guests to participate in marine research while they explore.

Sharks have the innate ability to stir up a wide range of emotions in people, with fear being the most common. But there's much more to these fascinating creatures than is portrayed on the big screen.

In this edition of “Ask a Marine Biologist,” Dr. David Shiffman answers a question about sea turtle natal homing.

When wildfires tore through Maui in 2023, among the devastation was toxic ash that poured into the ocean. Now, scientists are studying its impact on marine life—and how to counteract it.

As industrial-scale fishing and shipping ventures make their way into the Arctic, one group is working to keep this secluded region as pristine as possible.

Diver and adventurer Katie Leeper had the best dive day staying on the Sea Ventures Dive Rig and exploring the Sipadan Islands.

An encounter with rays is a magical experience, but the key to making the most of it—and finning away with some stellar photos—is patience. Here's what you need to know.

Swim with massive humpback whales in the Dominican Republic! A breathtaking, up-close encounter with an energetic calf puts on an adorable show.