A rarely seen deep-sea oarfish that is believed to have inspired sea monster legends was spotted along the shores of Mexico as seen in a video captured by a beachgoer.

Birds-of-paradise have some of the most famous mating displays in the world, but there's more to their colorful rhythmic ...

In a river of northeastern Brazil, an “armored” creature with “large” eyes paused to rest against a rock. The maze-like pattern that helped camouflage it in the wild also made it a popular aquarium ...