The ocean covers more than 70% of our planet’s surface, yet humans have explored less than 20% of it. What lurks in those unexplored depths — and even in the shallower waters we think we know — would ...

To survive the deep ocean, sea creatures have all kinds of adaptations that give them alien-like appearances, such as huge ...

This alien-looking sea creature survives by stealing venom, toxins, and even live stinging cells from dangerous prey before storing the stolen weapons inside its own body, allowing it to survive ...

The vast majority of our planet remains a complete mystery, hidden beneath miles of crushing water where sunlight never penetrates. In this eternal darkness, evolution has taken a path so bizarre that ...

The ocean is full of animals that look like they came straight from a sci-fi movie, and sea salps may be among the strangest of them all. Although people often mistake sea salps for jellyfish, they're ...

One of the coolest parts about the ocean is how diverse its ecosystem is. With so many different animals, it feels like new species are discovered every day. One little known marine animal is the sea ...