Many animals that live in water need to come up to the surface to breathe, but they can still spend impressive lengths of ...

Active shark species like the mako and great white shark tend to swim closer to the surface because of their need for speed.

Much remains unknown about the breeding habits of the finless porpoise. We will shed light on this elusive marine mammal.

So doing that sequence was really interesting. We're underwater and we're doing breath-holds of 6 to 61/2 minutes. So I was doing all my training with the other stuff (on-set). It was very taxing ...

Preparing for your first scuba diving tour stirs a mix of calm nerves and quiet excitement. You imagine what it will be like ...

The research maps biofluorescence across 459 glowing fish species and shows just how varied the colors have become.

Discovering the mesmerizing world beneath the waves can be a life-changing experience, but traditional snorkeling equipment ...

Spiders can hold their breath underwater for days Spiders don't have gills, so they can't get oxygen from water like fish do. But they have evolved clever strategies for staying alive if they stay in ...

Scientists have long assumed that fish save energy by swimming in neat diamond formations, but a new study using advanced 3D ...

For 50 years, scientists believed that schools of fish would save the most energy by swimming in flat diamond formations.