Look at it go! Whatever the shape the animals are - big or small, round or flat, fins or flippers - they're all at home under water. Take a trip under the sea and learn about turtles, octopuses ...

Dive into the mesmerizing world of sea animals as they play joyfully in the water. From graceful movements to playful antics, these creatures bring a sense of calm and wonder.

Here are 15 of such sea creatures. 10 Of The Most Aggressive Animals Alive You might be surprised to learn that the strongest ... Q&A : Jelly Q&A : Water Q&A : High Blood Pressure iStock ...

Scientists are racing to save sea stars from extinction through breeding. Here's what they're learning about the different species—from arm-wrestling bat stars to bloodless blood stars.