This is the moment deep sea explorers captured an incredibly elusive creature on camera – the giant phantom jellyfish. Eerie footage shows the rare animal, which has only been filmed around a dozen ...

During a dive off Argentina, scientists documented a rare jellyfish discovered a little over a century ago and seldom seen since, as well as the fish that keep it company. By Alexa Robles-Gil In late ...

Deep in the ocean, a giant fish does something no one expects—it produces milk to feed its young. This behavior is almost unheard of in fish, blurring the line between species and survival strategies.