Somewhere in the ocean's depths swims a small fish with a see-through skull, tubular eyes, and visual tricks that break every rule biology textbooks lay down about how vertebrates see.

Alien fish are already strange, but watching one face off against a live blue crawfish was next level. The clash of colors ...

WWF-Pakistan has cautioned that an invasive fish species has been detected in water bodies across Sindh and Lower Punjab, warning that its spread poses a serious threat to aquatic biodiversity and the ...

The expansive, abyssal darkness of the deep sea mirrors the mystique and grandeur of outer space. Hauntingly bioluminescent ...