Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Editor’s Note ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A guitar-shaped ...

Salt water covers seven-tenths of Earth’s surface and is where life began. So it is no surprise that our oceans are home to a wide diversity of creatures of all shapes, colours and evolutionary ...

Sound is central to life underwater. The list of marine creatures that are known to rely on sound for navigation, communication and much more is growing, as is the awareness of the complex ways in ...