Fossils of a tiny sea creature that lived 525 million years ago have preserved something paleontologists rarely find: a brain. The specimen, a worm-like animal called Cardiodictyon catenulum recovered ...

Meet the “ghost fish,” a phantom of the abyss. Here’s how we found the first ever proof of its existence just a few years ago. The deep sea is a part of the world that very few humans get the chance ...

After decades of eluding human detection, a deep-sea fish with a transparent skull has finally been captured on camera. This remarkable creature offers fresh insights into the unique biology of ...